MCMCB Pro
S99.229

S99.229Salter-Harris Type II physeal fracture of phalanx of unspecified toe

Non-billable headerICD-10-CM

S99.229 is a non-billable header ICD-10-CM code for salter-harris type ii physeal fracture of phalanx of unspecified 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 subcategories S99.2

A
initial encounter for closed fracture
B
initial encounter for open fracture
D
subsequent encounter for fracture with routine healing
G
subsequent encounter for fracture with delayed healing
K
subsequent encounter for fracture with nonunion
P
subsequent encounter for fracture with malunion
S
sequela

Risk adjustment

S99.229 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 S99.229

7 child codes. Green means billable.

Related codes at this level

Codes that share S99.22. If S99.229 is not quite right, the correct code is usually one of these.

Questions about S99.229

Is S99.229 a billable ICD-10-CM code?
No. S99.229 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
Where does S99.229 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).
ICD-10-CMFY2026-Apr· effective April 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release — see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.