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S82.002Q ICD-10-CM Code: Unspecified fracture of left patella, subsequent encounter for open fracture type I or II with malunion

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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)

S82.002Q

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

Unspecified fracture of left patella, subsequent encounter for open fracture type I or II with malunion

Unspecified fracture of left patella, subsequent encounter for open fracture type I or II with malunion

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
S82.00Unspecified fracture of patella
S82.002Unspecified fracture of left patella
S82.002QUnspecified fracture of left patella, subsequent encounter for open fracture type I or II with malunion

Inclusion Terms

Official

ICD-10-CM does not list inclusion terms for S82.002Q in this effective period.

Excludes 2

Official

ICD-10-CM does not list Excludes 2 notes for S82.002Q in this effective period.

Related Child Codes

Official
S82.002AUnspecified fracture of left patella, initial encounter for closed fracture
S82.002BUnspecified fracture of left patella, initial encounter for open fracture type I or II
S82.002CUnspecified fracture of left patella, initial encounter for open fracture type IIIA, IIIB, or IIIC
S82.002DUnspecified fracture of left patella, subsequent encounter for closed fracture with routine healing
S82.002EUnspecified fracture of left patella, subsequent encounter for open fracture type I or II with routine healing

Includes

Official

ICD-10-CM does not list Includes notes for S82.002Q in this effective period.

Excludes 1

Official

ICD-10-CM does not list Excludes 1 notes for S82.002Q in this effective period.

Code First

Official

ICD-10-CM does not list Code First sequencing instructions for S82.002Q in this effective period.

Use Additional

Official

ICD-10-CM does not list Use Additional Code instructions for S82.002Q in this effective period.

Code Also

Official

ICD-10-CM does not list Code Also instructions for S82.002Q 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 S82.002Q an HCC code?

No. S82.002Q 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

S82.002Q is the ICD-10-CM diagnosis code for unspecified fracture of left patella, subsequent encounter for open fracture type i or ii with malunion. S82.002Q 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).

S82.002Q 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.

S82.002Q 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 S82.002Q 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 S82.002Q sourced directly from the CMS-HCC risk adjustment model files and the CMS ICD-10-CM code set.

Child Codes

S82.002AUnspecified fracture of left patella, initial encounter for closed fracture
S82.002BUnspecified fracture of left patella, initial encounter for open fracture type I or II
S82.002CUnspecified fracture of left patella, initial encounter for open fracture type IIIA, IIIB, or IIIC
S82.002DUnspecified fracture of left patella, subsequent encounter for closed fracture with routine healing
S82.002EUnspecified fracture of left patella, subsequent encounter for open fracture type I or II with routine healing
S82.002FUnspecified fracture of left patella, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with routine healing
S82.002GUnspecified fracture of left patella, subsequent encounter for closed fracture with delayed healing
S82.002HUnspecified fracture of left patella, subsequent encounter for open fracture type I or II with delayed healing
S82.002JUnspecified fracture of left patella, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with delayed healing
S82.002KUnspecified fracture of left patella, subsequent encounter for closed fracture with nonunion
S82.002MUnspecified fracture of left patella, subsequent encounter for open fracture type I or II with nonunion
S82.002NUnspecified fracture of left patella, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with nonunion
S82.002PUnspecified fracture of left patella, subsequent encounter for closed fracture with malunion
S82.002QUnspecified fracture of left patella, subsequent encounter for open fracture type I or II with malunion
S82.002RUnspecified fracture of left patella, subsequent encounter for open fracture type IIIA, IIIB, or IIIC with malunion
S82.002SUnspecified fracture of left patella, sequela

Code Hierarchy

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