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T28.49XS ICD-10-CM Code: Burn of other internal organ, sequela

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FY 2026 Apr update / Injury, poisoning and certain other consequences of external causes (S00-T88) / Burns and corrosions confined to eye and internal organs (T26-T28)

T28.49XS

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

Burn of other internal organ, sequela

Burn of other internal organ, 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
T2849XBurns and corrosions confined to eye and internal organs (T26-T28)
T28.49XSBurn of other internal organ, sequela

Inclusion Terms

Official

ICD-10-CM does not list inclusion terms for T28.49XS in this effective period.

Excludes 2

Official

ICD-10-CM does not list Excludes 2 notes for T28.49XS in this effective period.

Related Child Codes

Official
T28.49XABurn of other internal organ, initial encounter
T28.49XDBurn of other internal organ, subsequent encounter

Includes

Official

ICD-10-CM does not list Includes notes for T28.49XS in this effective period.

Excludes 1

Official

ICD-10-CM does not list Excludes 1 notes for T28.49XS in this effective period.

Code First

Official

ICD-10-CM does not list Code First sequencing instructions for T28.49XS in this effective period.

Use Additional

Official

ICD-10-CM does not list Use Additional Code instructions for T28.49XS in this effective period.

Code Also

Official

ICD-10-CM does not list Code Also instructions for T28.49XS 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 T28.49XS an HCC code?

No. T28.49XS 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

T28.49XS is the ICD-10-CM diagnosis code for burn of other internal organ, sequela. T28.49XS sits in the ICD-10-CM chapter for injury, poisoning and certain other consequences of external causes (s00-t88), within the section covering burns and corrosions confined to eye and internal organs (t26-t28).

T28.49XS 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.

T28.49XS 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 T28.49XS 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 T28.49XS sourced directly from the CMS-HCC risk adjustment model files and the CMS ICD-10-CM code set.

Child Codes

Code Hierarchy

T28.49XSBurn of other internal organ, sequela
T28.49XSBurn of other internal organ, sequela

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