MCMCB Pro
S73.023A

S73.023AObturator subluxation of unspecified hip, initial encounter

Billable / specific codeICD-10-CMunspecified

S73.023A is a billable, specific ICD-10-CM code for obturator subluxation of unspecified hip, initial encounter. It is valid for submission on a claim.

7th character "A" — initial encounter

The appropriate 7th character is to be added to each code from category S73

A
initial encounter
D
subsequent encounter
S
sequela

Risk adjustment

S73.023A risk-adjusts. Under the CMS-HCC V28 model it maps to this category:

  • HCC 402 Hip Fracture/Dislocation0.467 RAF

Coefficient shown for the Community Non-dual Aged segment. A higher HCC in the same hierarchy will suppress this one, so capturing it does not always add score.

Related codes at this level

Codes that share S73.023. If S73.023A is not quite right, the correct code is usually one of these.

Questions about S73.023A

Is S73.023A a billable ICD-10-CM code?
Yes. S73.023A is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does S73.023A sit in the tabular list?
Injury, poisoning and certain other consequences of external causes (S00-T88), in the block Injuries to the hip and thigh (S70-S79).
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.