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S63.42

S63.42 — Traumatic rupture of palmar ligament of finger at metacarpophalangeal and interphalangeal joint

Non-billable headerICD-10-CM

S63.42 is a non-billable header ICD-10-CM code for traumatic rupture of palmar ligament of finger at metacarpophalangeal and interphalangeal joint. 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 S63

A
initial encounter
D
subsequent encounter
S
sequela

Risk adjustment

S63.42 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 S63.42

10 child codes. Green means billable.

Related codes at this level

Codes that share S63.4. If S63.42 is not quite right, the correct code is usually one of these.

Questions about S63.42

Is S63.42 a billable ICD-10-CM code?
No. S63.42 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
Where does S63.42 sit in the tabular list?
Injury, poisoning and certain other consequences of external causes (S00-T88), in the block Injuries to the wrist, hand and fingers (S60-S69).
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.