S23.2 ICD-10-CM Code: Dislocation of other and unspecified parts of thorax
HCC Buddy Code Card
Digital ICD-10 code-book layout with official code detail, always-visible risk models, Code Trumping, and Buddy coding guidance.
FY 2026 Apr update / Injury, poisoning and certain other consequences of external causes (S00-T88) / Injuries to the thorax (S20-S29)
S23.2
Header CodeICD-10-CMOfficial ICD-10-CMCodebook guidanceDislocation of other and unspecified parts of thorax
Dislocation of other and unspecified parts of thorax
CMS-HCC V28
00
RAF 0
CMS-HCC V24
00
RAF 0
ACA/HHS
00
RAF 0
ESRD/PACE
00
RAF 0
RXHCC
00
RAF 0
Code Trumping
Basket needed
Code Book Path
Inclusion Terms
OfficialICD-10-CM does not list inclusion terms for S23.2 in this effective period.
Excludes 2
Official- dislocation, sprain of sternoclavicular joint (S43.2, S43.6)
- strain of muscle or tendon of thorax (S29.01-)
Related Child Codes
Includes
Official- avulsion of joint or ligament of thorax
- laceration of cartilage, joint or ligament of thorax
- sprain of cartilage, joint or ligament of thorax
- traumatic hemarthrosis of joint or ligament of thorax
- traumatic rupture of joint or ligament of thorax
Excludes 1
OfficialICD-10-CM does not list Excludes 1 notes for S23.2 in this effective period.
Code First
OfficialICD-10-CM does not list Code First sequencing instructions for S23.2 in this effective period.
Use Additional
OfficialICD-10-CM does not list Use Additional Code instructions for S23.2 in this effective period.
Code Also
Official- any associated open wound
Last updated: FY2026 ICD-10-CM Apr update, Apr 1, 2026 through Sep 30, 2026. CMS-HCC V28 is 100% phased in for payment year 2026.
What This Code Means
S23.2 is the ICD-10-CM diagnosis code for dislocation of other and unspecified parts of thorax. S23.2 sits in the ICD-10-CM chapter for injury, poisoning and certain other consequences of external causes (s00-t88), within the section covering injuries to the thorax (s20-s29).
Header codes like S23.2 cannot be reported on claims directly, they organize child codes that share clinical context but the actual diagnosis must be coded to the highest level of specificity supported by the documentation. Coders should look at S23.2's child codes and select the one that matches the patient's documented presentation, since payers reject header codes submitted as the primary diagnosis. For risk adjustment workflows, header codes never contribute to a Medicare Advantage member's RAF score on their own; only billable child codes that happen to map to a payment HCC affect risk-adjusted plan payments.
HCC Buddy maintains structured V28 and V24 mapping, RAF weights, and MEAT documentation criteria for S23.2 sourced directly from the CMS-HCC risk adjustment model files and the CMS ICD-10-CM code set.