R40.2424
R40.2424 — Glasgow coma scale score 9-12, 24 hours or more after hospital admission
Billable / specific codeICD-10-CM
R40.2424 is a billable, specific ICD-10-CM code for glasgow coma scale score 9-12, 24 hours or more after hospital admission. It is valid for submission on a claim.
7th character "4" — 24 hours or more after hospital admission
The following appropriate 7th character is to be added to subcategory R40.24-:
- 0
- unspecified time
- 1
- in the field [EMT or ambulance]
- 2
- at arrival to emergency department
- 3
- at hospital admission
- 4
- 24 hours or more after hospital admission
Risk adjustment
R40.2424 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.
Medicare coverage
R40.2424 is named in 4 Medicare coverage policies — 4 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.
- A56612Billing and Coding: CT of the Head
- A56645Billing and Coding: Controlled Substance Monitoring and Drugs of Abuse Testing
- A56645Billing and Coding: Controlled Substance Monitoring and Drugs of Abuse Testing
- A56769Billing and Coding: Somatosensory Testing
Related codes at this level
Codes that share R40.242. If R40.2424 is not quite right, the correct code is usually one of these.
Questions about R40.2424
- Is R40.2424 a billable ICD-10-CM code?
- Yes. R40.2424 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
- Where does R40.2424 sit in the tabular list?
- Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99), in the block Symptoms and signs involving cognition, perception, emotional state and behavior (R40-R46).