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X37.3XXS ICD-10-CM Code: Dust storm, sequela

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FY 2026 Apr update / External causes of morbidity (V00-Y99) / Exposure to forces of nature (X30-X39)

X37.3XXS

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

Dust storm, sequela

Dust storm, 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
X373XXExposure to forces of nature (X30-X39)
X37.3XXSDust storm, sequela

Inclusion Terms

Official

ICD-10-CM does not list inclusion terms for X37.3XXS in this effective period.

Excludes 2

Official

ICD-10-CM does not list Excludes 2 notes for X37.3XXS in this effective period.

Related Child Codes

Official
X37.3XXADust storm, initial encounter
X37.3XXDDust storm, subsequent encounter

Includes

Official

ICD-10-CM does not list Includes notes for X37.3XXS in this effective period.

Excludes 1

Official

ICD-10-CM does not list Excludes 1 notes for X37.3XXS in this effective period.

Code First

Official

ICD-10-CM does not list Code First sequencing instructions for X37.3XXS in this effective period.

Use Additional

Official

ICD-10-CM does not list Use Additional Code instructions for X37.3XXS in this effective period.

Code Also

Official

ICD-10-CM does not list Code Also instructions for X37.3XXS 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 X37.3XXS an HCC code?

No. X37.3XXS 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

X37.3XXS is the ICD-10-CM diagnosis code for dust storm, sequela. X37.3XXS sits in the ICD-10-CM chapter for external causes of morbidity (v00-y99), within the section covering exposure to forces of nature (x30-x39).

X37.3XXS 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.

X37.3XXS 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 X37.3XXS 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 X37.3XXS sourced directly from the CMS-HCC risk adjustment model files and the CMS ICD-10-CM code set.

Child Codes

Code Hierarchy

X37.3XXSDust storm, sequela
X37.3XXSDust storm, sequela

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