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X05.XXXD ICD-10-CM Code: Exposure to ignition or melting of nightwear, subsequent encounter

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FY 2026 Apr update / External causes of morbidity (V00-Y99) / Exposure to smoke, fire and flames (X00-X08)

X05.XXXD

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

Exposure to ignition or melting of nightwear, subsequent encounter

Exposure to ignition or melting of nightwear, subsequent encounter

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
X05XXXExposure to smoke, fire and flames (X00-X08)
X05.XXXDExposure to ignition or melting of nightwear, subsequent encounter

Inclusion Terms

Official

ICD-10-CM does not list inclusion terms for X05.XXXD in this effective period.

Excludes 2

Official

ICD-10-CM does not list Excludes 2 notes for X05.XXXD in this effective period.

Related Child Codes

Official
X05.XXXAExposure to ignition or melting of nightwear, initial encounter
X05.XXXSExposure to ignition or melting of nightwear, sequela

Includes

Official

ICD-10-CM does not list Includes notes for X05.XXXD in this effective period.

Excludes 1

Official

ICD-10-CM does not list Excludes 1 notes for X05.XXXD in this effective period.

Code First

Official

ICD-10-CM does not list Code First sequencing instructions for X05.XXXD in this effective period.

Use Additional

Official

ICD-10-CM does not list Use Additional Code instructions for X05.XXXD in this effective period.

Code Also

Official

ICD-10-CM does not list Code Also instructions for X05.XXXD 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 X05.XXXD an HCC code?

No. X05.XXXD 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

X05.XXXD is the ICD-10-CM diagnosis code for exposure to ignition or melting of nightwear, subsequent encounter. X05.XXXD sits in the ICD-10-CM chapter for external causes of morbidity (v00-y99), within the section covering exposure to smoke, fire and flames (x00-x08).

X05.XXXD 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.

X05.XXXD 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 X05.XXXD 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 X05.XXXD sourced directly from the CMS-HCC risk adjustment model files and the CMS ICD-10-CM code set.

Child Codes

Code Hierarchy

X05.XXXDExposure to ignition or melting of nightwear, subsequent encounter
X05.XXXDExposure to ignition or melting of nightwear, subsequent encounter

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