R40.21 Non-Billable Code
Coma scale, eyes open
Chapter Classification
Chapter 18
Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
Section Detail
R40-R46
Symptoms and signs involving cognition, perception, emotional state and behavior (R40-R46)
Code Hierarchy
This code is a child of R40.2.
As a non-billable code, it requires more specific digits to be used on a medical claim.
As a non-billable code, it requires more specific digits to be used on a medical claim.
Coding Guidelines & Notes
sevenChrDef
- {'char': '0', 'text': 'unspecified time'}
- {'char': '1', 'text': 'in the field [EMT or ambulance]'}
- {'char': '2', 'text': 'at arrival to emergency department'}
- {'char': '3', 'text': 'at hospital admission'}
- {'char': '4', 'text': '24 hours or more after hospital admission'}
sevenChrNote
- The following appropriate 7th character is to be added to subcategory R40.21-:
More Specific Diagnosis Codes
This code is not billable as it requires a higher level of specificity. Select a more specific code below.
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