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W18.39XS ICD-10-CM Code: Other fall on same level, sequela

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FY 2026 Apr update / External causes of morbidity (V00-Y99) / Slipping, tripping, stumbling and falls (W00-W19)

W18.39XS

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

Other fall on same level, sequela

Other fall on same level, 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
W1839XSlipping, tripping, stumbling and falls (W00-W19)
W18.39XSOther fall on same level, sequela

Inclusion Terms

Official

ICD-10-CM does not list inclusion terms for W18.39XS in this effective period.

Excludes 2

Official

ICD-10-CM does not list Excludes 2 notes for W18.39XS in this effective period.

Related Child Codes

Official
W18.39XAOther fall on same level, initial encounter
W18.39XDOther fall on same level, subsequent encounter

Includes

Official

ICD-10-CM does not list Includes notes for W18.39XS in this effective period.

Excludes 1

Official

ICD-10-CM does not list Excludes 1 notes for W18.39XS in this effective period.

Code First

Official

ICD-10-CM does not list Code First sequencing instructions for W18.39XS in this effective period.

Use Additional

Official

ICD-10-CM does not list Use Additional Code instructions for W18.39XS in this effective period.

Code Also

Official

ICD-10-CM does not list Code Also instructions for W18.39XS 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 W18.39XS an HCC code?

No. W18.39XS 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

W18.39XS is the ICD-10-CM diagnosis code for other fall on same level, sequela. W18.39XS sits in the ICD-10-CM chapter for external causes of morbidity (v00-y99), within the section covering slipping, tripping, stumbling and falls (w00-w19).

W18.39XS 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.

W18.39XS 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 W18.39XS 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 W18.39XS sourced directly from the CMS-HCC risk adjustment model files and the CMS ICD-10-CM code set.

Child Codes

Code Hierarchy

W18.39XSOther fall on same level, sequela
W18.39XSOther fall on same level, sequela

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