Is R40.234 a billable ICD-10-CM code?

No. R40.234 is a non-billable header code. Code to a higher level of specificity using one of its child codes.

Where does R40.234 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).

R40.234

R40.234 — Coma scale, best motor response, flexion withdrawal

Non-billable headerICD-10-CM

R40.234 is a non-billable header ICD-10-CM code for coma scale, best motor response, flexion withdrawal. It cannot be billed on its own: choose one of the more specific child codes below. This code also requires a 7th character before it is complete.

This code requires a 7th character

The following appropriate 7th character is to be added to subcategory R40.23-:

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

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

Coma scale motor score of 4
Withdraws from pain or noxious stimuli (2-5 years of age)

Risk adjustment

R40.234 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.

How R40.234 is indexed

Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to R40.234.

Coma›with›motor response›flexion withdrawal
Coma›with›motor response›withdraws from pain or noxious stimuli(0-5 years of age)
Coma›with›motor response›score of›4

Code to one of these instead R40.234

5 child codes. Green means billable.

Related codes at this level

Codes that share R40.23. If R40.234 is not quite right, the correct code is usually one of these.

Questions about R40.234

Is R40.234 a billable ICD-10-CM code?: No. R40.234 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
Where does R40.234 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).