Is S93.523 a billable ICD-10-CM code?

No. S93.523 is a non-billable header code. Code to a higher level of specificity using one of its child codes.

Where does S93.523 sit in the tabular list?

Injury, poisoning and certain other consequences of external causes (S00-T88), in the block Injuries to the ankle and foot (S90-S99).

S93.523

S93.523 — Sprain of metatarsophalangeal joint of unspecified great toe

Non-billable headerICD-10-CM

S93.523 is a non-billable header ICD-10-CM code for sprain of metatarsophalangeal joint of unspecified great toe. 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 appropriate 7th character is to be added to each code from category S93

A: initial encounter
D: subsequent encounter
S: sequela

Risk adjustment

S93.523 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.

Code to one of these instead S93.523

3 child codes. Green means billable.

Related codes at this level

Codes that share S93.52. If S93.523 is not quite right, the correct code is usually one of these.

Questions about S93.523

Is S93.523 a billable ICD-10-CM code?: No. S93.523 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
Where does S93.523 sit in the tabular list?: Injury, poisoning and certain other consequences of external causes (S00-T88), in the block Injuries to the ankle and foot (S90-S99).