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S82.434S ICD-10-CM Code: Nondisplaced oblique fracture of shaft of right fibula, sequela

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FY 2026 Apr update / Injury, poisoning and certain other consequences of external causes (S00-T88) / Injuries to the knee and lower leg (S80-S89)

S82.434S

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

Nondisplaced oblique fracture of shaft of right fibula, sequela

Nondisplaced oblique fracture of shaft of right fibula, 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

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Code Book Path

Official
S82.43Oblique fracture of shaft of fibula
S82.434Nondisplaced oblique fracture of shaft of right fibula
S82.434SNondisplaced oblique fracture of shaft of right fibula, sequela

Inclusion Terms

Official

ICD-10-CM does not list inclusion terms for S82.434S in this effective period.

Excludes 2

Official

ICD-10-CM does not list Excludes 2 notes for S82.434S in this effective period.

Related Child Codes

Official
S82.434ANondisplaced oblique fracture of shaft of right fibula, initial encounter for closed fracture
S82.434BNondisplaced oblique fracture of shaft of right fibula, initial encounter for open fracture type I or II
S82.434CNondisplaced oblique fracture of shaft of right fibula, initial encounter for open fracture type IIIA, IIIB, or IIIC
S82.434DNondisplaced oblique fracture of shaft of right fibula, subsequent encounter for closed fracture with routine healing
S82.434ENondisplaced oblique fracture of shaft of right fibula, subsequent encounter for open fracture type I or II with routine healing

Includes

Official

ICD-10-CM does not list Includes notes for S82.434S in this effective period.

Excludes 1

Official

ICD-10-CM does not list Excludes 1 notes for S82.434S in this effective period.

Code First

Official

ICD-10-CM does not list Code First sequencing instructions for S82.434S in this effective period.

Use Additional

Official

ICD-10-CM does not list Use Additional Code instructions for S82.434S in this effective period.

Code Also

Official

ICD-10-CM does not list Code Also instructions for S82.434S 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 S82.434S an HCC code?

No. S82.434S 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

S82.434S is the ICD-10-CM diagnosis code for nondisplaced oblique fracture of shaft of right fibula, sequela. S82.434S 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 knee and lower leg (s80-s89).

S82.434S 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.

S82.434S 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 S82.434S 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 S82.434S sourced directly from the CMS-HCC risk adjustment model files and the CMS ICD-10-CM code set.

Child Codes

S82.434ANondisplaced oblique fracture of shaft of right fibula, initial encounter for closed fracture
S82.434BNondisplaced oblique fracture of shaft of right fibula, initial encounter for open fracture type I or II
S82.434CNondisplaced oblique fracture of shaft of right fibula, initial encounter for open fracture type IIIA, IIIB, or IIIC
S82.434DNondisplaced oblique fracture of shaft of right fibula, subsequent encounter for closed fracture with routine healing
S82.434ENondisplaced oblique fracture of shaft of right fibula, subsequent encounter for open fracture type I or II with routine healing
S82.434FNondisplaced oblique fracture of shaft of right fibula, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with routine healing
S82.434GNondisplaced oblique fracture of shaft of right fibula, subsequent encounter for closed fracture with delayed healing
S82.434HNondisplaced oblique fracture of shaft of right fibula, subsequent encounter for open fracture type I or II with delayed healing
S82.434JNondisplaced oblique fracture of shaft of right fibula, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with delayed healing
S82.434KNondisplaced oblique fracture of shaft of right fibula, subsequent encounter for closed fracture with nonunion
S82.434MNondisplaced oblique fracture of shaft of right fibula, subsequent encounter for open fracture type I or II with nonunion
S82.434NNondisplaced oblique fracture of shaft of right fibula, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with nonunion
S82.434PNondisplaced oblique fracture of shaft of right fibula, subsequent encounter for closed fracture with malunion
S82.434QNondisplaced oblique fracture of shaft of right fibula, subsequent encounter for open fracture type I or II with malunion
S82.434RNondisplaced oblique fracture of shaft of right fibula, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with malunion
S82.434SNondisplaced oblique fracture of shaft of right fibula, sequela

Code Hierarchy

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