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NCCI Code Pairs — 0021U

Complete listing of CMS National Correct Coding Initiative (NCCI) Procedure-to-Procedure (PTP) edits involving HCPCS/CPT code 0021U.

135 Total Edits 54 as Column 1 81 as Column 2
← View HCPCS 0021U Detail Page

Column 1 Pairs 0021U is the primary code

When 0021U is reported as the Column 1 (comprehensive) code, the paired Column 2 code is bundled and generally not separately payable.

Medicare Facility (Hospital Outpatient) — 19 pairs
Paired Code
Mod? Modifier Indicator: 0 = not allowed, 1 = modifier may permit separate reporting, 9 = N/A
Rationale Effective End Date
0512U · CCI
0 Modifier not allowed — codes cannot be reported together under any circumstances
Mutually exclusive procedures 2026-07-01 2199-12-31
0513U · CCI
0 Modifier not allowed — codes cannot be reported together under any circumstances
Mutually exclusive procedures 2026-07-01 2199-12-31
80504 · CCI
1 Modifier allowed — a NCCI-associated modifier may permit separate reporting
Standard preparation/monitoring services for anesthesia 2022-01-01 2199-12-31
0251U · CCI
1 Modifier allowed — a NCCI-associated modifier may permit separate reporting
HCPCS/CPT procedure code definition 2022-01-01 2199-12-31
80506 · CCI
1 Modifier allowed — a NCCI-associated modifier may permit separate reporting
Standard preparation/monitoring services for anesthesia 2022-01-01 2199-12-31
80505 · CCI
1 Modifier allowed — a NCCI-associated modifier may permit separate reporting
Standard preparation/monitoring services for anesthesia 2022-01-01 2199-12-31
80503 · CCI
1 Modifier allowed — a NCCI-associated modifier may permit separate reporting
Standard preparation/monitoring services for anesthesia 2022-01-01 2199-12-31
83520 · CCI
1 Modifier allowed — a NCCI-associated modifier may permit separate reporting
HCPCS/CPT procedure code definition 2018-07-01 2199-12-31
83516 · CCI
1 Modifier allowed — a NCCI-associated modifier may permit separate reporting
HCPCS/CPT procedure code definition 2018-07-01 2199-12-31
83518 · CCI
1 Modifier allowed — a NCCI-associated modifier may permit separate reporting
HCPCS/CPT procedure code definition 2018-07-01 2199-12-31
83519 · CCI
1 Modifier allowed — a NCCI-associated modifier may permit separate reporting
HCPCS/CPT procedure code definition 2018-07-01 2199-12-31
86294 · CCI
1 Modifier allowed — a NCCI-associated modifier may permit separate reporting
HCPCS/CPT procedure code definition 2018-07-01 2199-12-31
86316 · CCI
1 Modifier allowed — a NCCI-associated modifier may permit separate reporting
HCPCS/CPT procedure code definition 2018-07-01 2199-12-31
88182 · CCI
1 Modifier allowed — a NCCI-associated modifier may permit separate reporting
HCPCS/CPT procedure code definition 2018-07-01 2199-12-31
88184 · CCI
1 Modifier allowed — a NCCI-associated modifier may permit separate reporting
HCPCS/CPT procedure code definition 2018-07-01 2199-12-31
88185 · CCI
1 Modifier allowed — a NCCI-associated modifier may permit separate reporting
HCPCS/CPT procedure code definition 2018-07-01 2199-12-31
88187 · CCI
1 Modifier allowed — a NCCI-associated modifier may permit separate reporting
HCPCS/CPT procedure code definition 2018-07-01 2199-12-31
88188 · CCI
1 Modifier allowed — a NCCI-associated modifier may permit separate reporting
HCPCS/CPT procedure code definition 2018-07-01 2199-12-31
88189 · CCI
1 Modifier allowed — a NCCI-associated modifier may permit separate reporting
HCPCS/CPT procedure code definition 2018-07-01 2199-12-31
Medicaid Facility — 17 pairs
Paired Code
Mod? Modifier Indicator: 0 = not allowed, 1 = modifier may permit separate reporting, 9 = N/A
Rationale Effective End Date
80505 · CCI
1 Modifier allowed — a NCCI-associated modifier may permit separate reporting
Misuse of Column Two code with Column One code 2022-01-01 2199-12-31
80504 · CCI
1 Modifier allowed — a NCCI-associated modifier may permit separate reporting
Misuse of Column Two code with Column One code 2022-01-01 2199-12-31
80503 · CCI
1 Modifier allowed — a NCCI-associated modifier may permit separate reporting
Misuse of Column Two code with Column One code 2022-01-01 2199-12-31
0251U · CCI
1 Modifier allowed — a NCCI-associated modifier may permit separate reporting
HCPCS/CPT procedure code definition 2022-01-01 2199-12-31
80506 · CCI
1 Modifier allowed — a NCCI-associated modifier may permit separate reporting
Misuse of Column Two code with Column One code 2022-01-01 2199-12-31
88185 · CCI
1 Modifier allowed — a NCCI-associated modifier may permit separate reporting
HCPCS/CPT procedure code definition 2018-07-01 2199-12-31
88184 · CCI
1 Modifier allowed — a NCCI-associated modifier may permit separate reporting
HCPCS/CPT procedure code definition 2018-07-01 2199-12-31
88182 · CCI
1 Modifier allowed — a NCCI-associated modifier may permit separate reporting
HCPCS/CPT procedure code definition 2018-07-01 2199-12-31
86316 · CCI
1 Modifier allowed — a NCCI-associated modifier may permit separate reporting
HCPCS/CPT procedure code definition 2018-07-01 2199-12-31
86294 · CCI
1 Modifier allowed — a NCCI-associated modifier may permit separate reporting
HCPCS/CPT procedure code definition 2018-07-01 2199-12-31
83520 · CCI
1 Modifier allowed — a NCCI-associated modifier may permit separate reporting
HCPCS/CPT procedure code definition 2018-07-01 2199-12-31
83519 · CCI
1 Modifier allowed — a NCCI-associated modifier may permit separate reporting
HCPCS/CPT procedure code definition 2018-07-01 2199-12-31
83518 · CCI
1 Modifier allowed — a NCCI-associated modifier may permit separate reporting
HCPCS/CPT procedure code definition 2018-07-01 2199-12-31
83516 · CCI
1 Modifier allowed — a NCCI-associated modifier may permit separate reporting
HCPCS/CPT procedure code definition 2018-07-01 2199-12-31
88187 · CCI
1 Modifier allowed — a NCCI-associated modifier may permit separate reporting
HCPCS/CPT procedure code definition 2018-07-01 2199-12-31
88188 · CCI
1 Modifier allowed — a NCCI-associated modifier may permit separate reporting
HCPCS/CPT procedure code definition 2018-07-01 2199-12-31
88189 · CCI
1 Modifier allowed — a NCCI-associated modifier may permit separate reporting
HCPCS/CPT procedure code definition 2018-07-01 2199-12-31
Medicaid Practitioner — 18 pairs
Paired Code
Mod? Modifier Indicator: 0 = not allowed, 1 = modifier may permit separate reporting, 9 = N/A
Rationale Effective End Date
0251U · CCI
1 Modifier allowed — a NCCI-associated modifier may permit separate reporting
HCPCS/CPT procedure code definition 2022-01-01 2199-12-31
80503 · CCI
1 Modifier allowed — a NCCI-associated modifier may permit separate reporting
Misuse of Column Two code with Column One code 2022-01-01 2199-12-31
80504 · CCI
1 Modifier allowed — a NCCI-associated modifier may permit separate reporting
Misuse of Column Two code with Column One code 2022-01-01 2199-12-31
80505 · CCI
1 Modifier allowed — a NCCI-associated modifier may permit separate reporting
Misuse of Column Two code with Column One code 2022-01-01 2199-12-31
80506 · CCI
1 Modifier allowed — a NCCI-associated modifier may permit separate reporting
Misuse of Column Two code with Column One code 2022-01-01 2199-12-31
96523 · CCI
0 Modifier not allowed — codes cannot be reported together under any circumstances
CPT Manual or CMS manual coding instruction 2019-04-01 2199-12-31
86294 · CCI
1 Modifier allowed — a NCCI-associated modifier may permit separate reporting
HCPCS/CPT procedure code definition 2018-07-01 2199-12-31
83520 · CCI
1 Modifier allowed — a NCCI-associated modifier may permit separate reporting
HCPCS/CPT procedure code definition 2018-07-01 2199-12-31
83519 · CCI
1 Modifier allowed — a NCCI-associated modifier may permit separate reporting
HCPCS/CPT procedure code definition 2018-07-01 2199-12-31
83518 · CCI
1 Modifier allowed — a NCCI-associated modifier may permit separate reporting
HCPCS/CPT procedure code definition 2018-07-01 2199-12-31
83516 · CCI
1 Modifier allowed — a NCCI-associated modifier may permit separate reporting
HCPCS/CPT procedure code definition 2018-07-01 2199-12-31
88189 · CCI
1 Modifier allowed — a NCCI-associated modifier may permit separate reporting
HCPCS/CPT procedure code definition 2018-07-01 2199-12-31
88188 · CCI
1 Modifier allowed — a NCCI-associated modifier may permit separate reporting
HCPCS/CPT procedure code definition 2018-07-01 2199-12-31
88187 · CCI
1 Modifier allowed — a NCCI-associated modifier may permit separate reporting
HCPCS/CPT procedure code definition 2018-07-01 2199-12-31
88185 · CCI
1 Modifier allowed — a NCCI-associated modifier may permit separate reporting
HCPCS/CPT procedure code definition 2018-07-01 2199-12-31
88184 · CCI
1 Modifier allowed — a NCCI-associated modifier may permit separate reporting
HCPCS/CPT procedure code definition 2018-07-01 2199-12-31
88182 · CCI
1 Modifier allowed — a NCCI-associated modifier may permit separate reporting
HCPCS/CPT procedure code definition 2018-07-01 2199-12-31
86316 · CCI
1 Modifier allowed — a NCCI-associated modifier may permit separate reporting
HCPCS/CPT procedure code definition 2018-07-01 2199-12-31

Column 2 Pairs 0021U is the bundled code

When 0021U is reported as the Column 2 (component) code, it is bundled into the Column 1 comprehensive code and generally not separately payable.

Medicare Facility (Hospital Outpatient) — 26 pairs
Paired Code
Mod? Modifier Indicator: 0 = not allowed, 1 = modifier may permit separate reporting, 9 = N/A
Rationale Effective End Date
0495U · CCI
0 Modifier not allowed — codes cannot be reported together under any circumstances
Misuse of Column Two code with Column One code 2026-04-01 2199-12-31
0497U · CCI
0 Modifier not allowed — codes cannot be reported together under any circumstances
Mutually exclusive procedures 2026-04-01 2199-12-31
0460U · CCI
1 Modifier allowed — a NCCI-associated modifier may permit separate reporting
Misuse of Column Two code with Column One code 2026-04-01 2199-12-31
0461U · CCI
1 Modifier allowed — a NCCI-associated modifier may permit separate reporting
Misuse of Column Two code with Column One code 2026-04-01 2199-12-31
0475U · CCI
0 Modifier not allowed — codes cannot be reported together under any circumstances
Mutually exclusive procedures 2026-04-01 2199-12-31
0420U · CCI
0 Modifier not allowed — codes cannot be reported together under any circumstances
Misuse of Column Two code with Column One code 2025-01-01 2199-12-31
0424U · CCI
0 Modifier not allowed — codes cannot be reported together under any circumstances
Mutually exclusive procedures 2025-01-01 2199-12-31
0403U · CCI
0 Modifier not allowed — codes cannot be reported together under any circumstances
Misuse of Column Two code with Column One code 2024-10-01 2199-12-31
0343U · CCI
0 Modifier not allowed — codes cannot be reported together under any circumstances
Mutually exclusive procedures 2023-07-01 2199-12-31
0363U · CCI
0 Modifier not allowed — codes cannot be reported together under any circumstances
Misuse of Column Two code with Column One code 2023-07-01 2199-12-31
0339U · CCI
0 Modifier not allowed — codes cannot be reported together under any circumstances
Mutually exclusive procedures 2023-07-01 2199-12-31
0359U · CCI
1 Modifier allowed — a NCCI-associated modifier may permit separate reporting
Mutually exclusive procedures 2023-07-01 2199-12-31
0317U · CCI
0 Modifier not allowed — codes cannot be reported together under any circumstances
Mutually exclusive procedures 2023-01-01 2199-12-31
0228U · CCI
0 Modifier not allowed — codes cannot be reported together under any circumstances
Mutually exclusive procedures 2022-01-01 2199-12-31
0016M · CCI
0 Modifier not allowed — codes cannot be reported together under any circumstances
Misuse of Column Two code with Column One code 2021-01-01 2199-12-31
0113U · CCI
0 Modifier not allowed — codes cannot be reported together under any circumstances
Misuse of Column Two code with Column One code 2020-01-01 2199-12-31
0133U · CCI
0 Modifier not allowed — codes cannot be reported together under any circumstances
Misuse of Column Two code with Column One code 2020-01-01 2199-12-31
0012M · CCI
0 Modifier not allowed — codes cannot be reported together under any circumstances
Misuse of Column Two code with Column One code 2019-01-01 2199-12-31
0053U · CCI
0 Modifier not allowed — codes cannot be reported together under any circumstances
Mutually exclusive procedures 2019-01-01 2023-06-30
0047U · CCI
0 Modifier not allowed — codes cannot be reported together under any circumstances
Mutually exclusive procedures 2019-01-01 2199-12-31
0013M · CCI
0 Modifier not allowed — codes cannot be reported together under any circumstances
Misuse of Column Two code with Column One code 2019-01-01 2199-12-31
81541 · CCI
0 Modifier not allowed — codes cannot be reported together under any circumstances
Misuse of Column Two code with Column One code 2018-10-01 2199-12-31
0005U · CCI
0 Modifier not allowed — codes cannot be reported together under any circumstances
Misuse of Column Two code with Column One code 2018-10-01 2199-12-31
81539 · CCI
0 Modifier not allowed — codes cannot be reported together under any circumstances
Misuse of Column Two code with Column One code 2018-10-01 2199-12-31
81551 · CCI
0 Modifier not allowed — codes cannot be reported together under any circumstances
Misuse of Column Two code with Column One code 2018-10-01 2199-12-31
0011M · CCI
0 Modifier not allowed — codes cannot be reported together under any circumstances
Misuse of Column Two code with Column One code 2018-10-01 2199-12-31
Medicare Practitioner — 3 pairs
Paired Code
Mod? Modifier Indicator: 0 = not allowed, 1 = modifier may permit separate reporting, 9 = N/A
Rationale Effective End Date
81539 · CCI
0 Modifier not allowed — codes cannot be reported together under any circumstances
Misuse of Column Two code with Column One code 2018-10-01 2199-12-31
81551 · CCI
0 Modifier not allowed — codes cannot be reported together under any circumstances
Misuse of Column Two code with Column One code 2018-10-01 2199-12-31
81541 · CCI
0 Modifier not allowed — codes cannot be reported together under any circumstances
Misuse of Column Two code with Column One code 2018-10-01 2199-12-31
Medicaid Facility — 26 pairs
Paired Code
Mod? Modifier Indicator: 0 = not allowed, 1 = modifier may permit separate reporting, 9 = N/A
Rationale Effective End Date
0460U · CCI
1 Modifier allowed — a NCCI-associated modifier may permit separate reporting
Misuse of Column Two code with Column One code 2026-04-01 2199-12-31
0475U · CCI
0 Modifier not allowed — codes cannot be reported together under any circumstances
Mutually exclusive procedures 2026-04-01 2199-12-31
0497U · CCI
0 Modifier not allowed — codes cannot be reported together under any circumstances
Mutually exclusive procedures 2026-04-01 2199-12-31
0495U · CCI
0 Modifier not allowed — codes cannot be reported together under any circumstances
Misuse of Column Two code with Column One code 2026-04-01 2199-12-31
0461U · CCI
1 Modifier allowed — a NCCI-associated modifier may permit separate reporting
Misuse of Column Two code with Column One code 2026-04-01 2199-12-31
0424U · CCI
0 Modifier not allowed — codes cannot be reported together under any circumstances
Mutually exclusive procedures 2025-01-01 2199-12-31
0420U · CCI
0 Modifier not allowed — codes cannot be reported together under any circumstances
Misuse of Column Two code with Column One code 2025-01-01 2199-12-31
0403U · CCI
0 Modifier not allowed — codes cannot be reported together under any circumstances
Misuse of Column Two code with Column One code 2024-10-01 2199-12-31
0339U · CCI
0 Modifier not allowed — codes cannot be reported together under any circumstances
Mutually exclusive procedures 2023-07-01 2199-12-31
0343U · CCI
0 Modifier not allowed — codes cannot be reported together under any circumstances
Mutually exclusive procedures 2023-07-01 2199-12-31
0359U · CCI
1 Modifier allowed — a NCCI-associated modifier may permit separate reporting
Mutually exclusive procedures 2023-07-01 2199-12-31
0363U · CCI
0 Modifier not allowed — codes cannot be reported together under any circumstances
Misuse of Column Two code with Column One code 2023-07-01 2199-12-31
0317U · CCI
0 Modifier not allowed — codes cannot be reported together under any circumstances
Mutually exclusive procedures 2023-01-01 2199-12-31
0228U · CCI
0 Modifier not allowed — codes cannot be reported together under any circumstances
Mutually exclusive procedures 2022-01-01 2199-12-31
0016M · CCI
0 Modifier not allowed — codes cannot be reported together under any circumstances
Misuse of Column Two code with Column One code 2021-01-01 2199-12-31
0113U · CCI
0 Modifier not allowed — codes cannot be reported together under any circumstances
Misuse of Column Two code with Column One code 2020-01-01 2199-12-31
0133U · CCI
0 Modifier not allowed — codes cannot be reported together under any circumstances
Misuse of Column Two code with Column One code 2020-01-01 2199-12-31
0047U · CCI
0 Modifier not allowed — codes cannot be reported together under any circumstances
Mutually exclusive procedures 2019-01-01 2199-12-31
0012M · CCI
0 Modifier not allowed — codes cannot be reported together under any circumstances
Misuse of Column Two code with Column One code 2019-01-01 2199-12-31
0013M · CCI
0 Modifier not allowed — codes cannot be reported together under any circumstances
Misuse of Column Two code with Column One code 2019-01-01 2199-12-31
0053U · CCI
0 Modifier not allowed — codes cannot be reported together under any circumstances
Mutually exclusive procedures 2019-01-01 2023-06-30
0005U · CCI
0 Modifier not allowed — codes cannot be reported together under any circumstances
Misuse of Column Two code with Column One code 2018-10-01 2199-12-31
0011M · CCI
0 Modifier not allowed — codes cannot be reported together under any circumstances
Misuse of Column Two code with Column One code 2018-10-01 2199-12-31
81539 · CCI
0 Modifier not allowed — codes cannot be reported together under any circumstances
Misuse of Column Two code with Column One code 2018-10-01 2199-12-31
81541 · CCI
0 Modifier not allowed — codes cannot be reported together under any circumstances
Misuse of Column Two code with Column One code 2018-10-01 2199-12-31
81551 · CCI
0 Modifier not allowed — codes cannot be reported together under any circumstances
Misuse of Column Two code with Column One code 2018-10-01 2199-12-31
Medicaid Practitioner — 26 pairs
Paired Code
Mod? Modifier Indicator: 0 = not allowed, 1 = modifier may permit separate reporting, 9 = N/A
Rationale Effective End Date
0475U · CCI
0 Modifier not allowed — codes cannot be reported together under any circumstances
Mutually exclusive procedures 2026-04-01 2199-12-31
0495U · CCI
0 Modifier not allowed — codes cannot be reported together under any circumstances
Misuse of Column Two code with Column One code 2026-04-01 2199-12-31
0497U · CCI
0 Modifier not allowed — codes cannot be reported together under any circumstances
Mutually exclusive procedures 2026-04-01 2199-12-31
0461U · CCI
1 Modifier allowed — a NCCI-associated modifier may permit separate reporting
Misuse of Column Two code with Column One code 2026-04-01 2199-12-31
0460U · CCI
1 Modifier allowed — a NCCI-associated modifier may permit separate reporting
Misuse of Column Two code with Column One code 2026-04-01 2199-12-31
0424U · CCI
0 Modifier not allowed — codes cannot be reported together under any circumstances
Mutually exclusive procedures 2025-01-01 2199-12-31
0420U · CCI
0 Modifier not allowed — codes cannot be reported together under any circumstances
Misuse of Column Two code with Column One code 2025-01-01 2199-12-31
0403U · CCI
0 Modifier not allowed — codes cannot be reported together under any circumstances
Misuse of Column Two code with Column One code 2024-10-01 2199-12-31
0363U · CCI
0 Modifier not allowed — codes cannot be reported together under any circumstances
Misuse of Column Two code with Column One code 2023-07-01 2199-12-31
0359U · CCI
1 Modifier allowed — a NCCI-associated modifier may permit separate reporting
Mutually exclusive procedures 2023-07-01 2199-12-31
0343U · CCI
0 Modifier not allowed — codes cannot be reported together under any circumstances
Mutually exclusive procedures 2023-07-01 2199-12-31
0339U · CCI
0 Modifier not allowed — codes cannot be reported together under any circumstances
Mutually exclusive procedures 2023-07-01 2199-12-31
0317U · CCI
0 Modifier not allowed — codes cannot be reported together under any circumstances
Mutually exclusive procedures 2023-01-01 2199-12-31
0228U · CCI
0 Modifier not allowed — codes cannot be reported together under any circumstances
Mutually exclusive procedures 2022-01-01 2199-12-31
0016M · CCI
0 Modifier not allowed — codes cannot be reported together under any circumstances
Misuse of Column Two code with Column One code 2021-01-01 2199-12-31
0133U · CCI
0 Modifier not allowed — codes cannot be reported together under any circumstances
Misuse of Column Two code with Column One code 2020-01-01 2199-12-31
0113U · CCI
0 Modifier not allowed — codes cannot be reported together under any circumstances
Misuse of Column Two code with Column One code 2020-01-01 2199-12-31
0047U · CCI
0 Modifier not allowed — codes cannot be reported together under any circumstances
Mutually exclusive procedures 2019-01-01 2199-12-31
0053U · CCI
0 Modifier not allowed — codes cannot be reported together under any circumstances
Mutually exclusive procedures 2019-01-01 2023-06-30
0013M · CCI
0 Modifier not allowed — codes cannot be reported together under any circumstances
Misuse of Column Two code with Column One code 2019-01-01 2199-12-31
0012M · CCI
0 Modifier not allowed — codes cannot be reported together under any circumstances
Misuse of Column Two code with Column One code 2019-01-01 2199-12-31
0011M · CCI
0 Modifier not allowed — codes cannot be reported together under any circumstances
Misuse of Column Two code with Column One code 2018-10-01 2199-12-31
0005U · CCI
0 Modifier not allowed — codes cannot be reported together under any circumstances
Misuse of Column Two code with Column One code 2018-10-01 2199-12-31
81551 · CCI
0 Modifier not allowed — codes cannot be reported together under any circumstances
Misuse of Column Two code with Column One code 2018-10-01 2199-12-31
81539 · CCI
0 Modifier not allowed — codes cannot be reported together under any circumstances
Misuse of Column Two code with Column One code 2018-10-01 2199-12-31
81541 · CCI
0 Modifier not allowed — codes cannot be reported together under any circumstances
Misuse of Column Two code with Column One code 2018-10-01 2199-12-31

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