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S31.825S ICD-10-CM Code: Open bite of left buttock, sequela

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FY 2026 Apr update / Injury, poisoning and certain other consequences of external causes (S00-T88) / Injuries to the abdomen, lower back, lumbar spine, pelvis and external genitals (S30-S39)

S31.825S

Billable / SpecificICD-10-CMOfficial ICD-10-CMCodebook guidance

Open bite of left buttock, sequela

Open bite of left buttock, sequela

CMS-HCC V28

0

0

RAF 0

CMS-HCC V24

0

0

RAF 0

ACA/HHS

0

0

RAF 0

ESRD/PACE

0

0

RAF 0

RXHCC

0

0

RAF 0

Code Trumping

Basket needed

Code Book Path

Official
S31.82Open wound of left buttock
S31.825Open bite of left buttock
S31.825SOpen bite of left buttock, sequela

Inclusion Terms

Official
  • Bite of left buttock NOS

Excludes 2

Official

ICD-10-CM does not list Excludes 2 notes for S31.825S in this effective period.

Related Child Codes

Official
S31.825AOpen bite of left buttock, initial encounter
S31.825DOpen bite of left buttock, subsequent encounter

Includes

Official

ICD-10-CM does not list Includes notes for S31.825S in this effective period.

Excludes 1

Official
  • superficial bite of buttock (S30.870)

Code First

Official

ICD-10-CM does not list Code First sequencing instructions for S31.825S in this effective period.

Use Additional

Official

ICD-10-CM does not list Use Additional Code instructions for S31.825S in this effective period.

Code Also

Official

ICD-10-CM does not list Code Also instructions for S31.825S in this effective period.

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.

Is S31.825S an HCC code?

No. S31.825S is a billable ICD-10-CM code but does not map to any HCC category in V28, V24, ESRD, or RxHCC.

This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).

What This Code Means

S31.825S is the ICD-10-CM diagnosis code for open bite of left buttock, sequela. S31.825S 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 abdomen, lower back, lumbar spine, pelvis and external genitals (s30-s39).

S31.825S is a billable ICD-10-CM code but does not map to a payment HCC under the CMS-HCC V28, V24, ESRD, or RxHCC risk adjustment models. It can be reported on Medicare Advantage encounter data submissions but it does not contribute to a beneficiary's RAF score and therefore does not affect risk-adjusted payments to the plan.

S31.825S is a billable ICD-10-CM code that can be reported on claims but does not currently contribute to a Medicare Advantage member's RAF score under any CMS risk adjustment model (V28, V24, ESRD, or RxHCC). Coders reviewing S31.825S should check whether additional documentation would support a more specific child code in the same hierarchy that does map to a payment HCC, capturing the correct specificity is the highest-impact RAF improvement available within accurate coding.

HCC Buddy maintains structured V28 and V24 mapping, RAF weights, and MEAT documentation criteria for S31.825S sourced directly from the CMS-HCC risk adjustment model files and the CMS ICD-10-CM code set.

Child Codes

Code Hierarchy

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