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FY2027 ICD-10-CM reference

F18.980: Inhalant use, unspecified with inhalant-induced anxiety disorder

By the HCC Buddy Coding Team

The official ICD-10-CM descriptor is Inhalant use, unspecified with inhalant-induced anxiety disorder. The FY2027 annual edition starts October 1, 2026. Check the edition that applies to the encounter or inpatient discharge, including any April update.

Billable code. Verified against the official FY2027 order file.

CMS-HCC V28

  • HCC 137: Drug Use Disorder, Moderate/Severe, or Drug Use with Non-Psychotic Complications · RAF 0.424, Community Non-Dual Aged (CNA)

Payment year 2027, 2026 dates of service. HCC from the CMS 2027 Initial ICD-10-CM Mappings; RAF from the CMS-HCC V28 relative factors. For 2027 dates of service, CMS has not yet published the payment year 2028 mappings.

CMS-HCC V24

Not used for payment year 2027 Medicare Advantage payment

ESRD

Source verification pending

PACE

Source verification pending

RxHCC

Source verification pending

HHS-HCC

Source verification pending

FY2027 Tabular instructions

Instructions below include applicable chapter, section and parent-code notes. Each note identifies where it appears in the official source.

Includes

disorders of psychological development

Source: F01-F99 (chapter, inherited).

Excludes2

symptoms, signs and abnormal clinical laboratory findings, not elsewhere classified (R00-R99)

Source: F01-F99 (chapter, inherited).

Includes

volatile solvents

Source: F18 (category, inherited).

Excludes1

inhalant abuse (F18.1-)

Source: F18.9 (self, inherited).

Excludes1

inhalant dependence (F18.2-)

Source: F18.9 (self, inherited).

Source: CMS FY2027 Tabular List and Alphabetic Index.

Open Tabular instructions and code details

Compare the FY2027 additions, removals and billable-status changes

What does F18.980 mean in FY2027?

The official ICD-10-CM descriptor is Inhalant use, unspecified with inhalant-induced anxiety disorder. The FY2027 annual edition starts October 1, 2026. Check the edition that applies to the encounter or inpatient discharge, including any April update.

Is F18.980 billable in FY2027?

The FY2027 order file marks F18.980 as billable. Check the complete Tabular instructions and documentation before assigning it.

Does F18.980 map to an HCC?

In the CMS 2027 Initial ICD-10-CM Mappings (payment year 2027, 2026 dates of service), F18.980 maps to CMS-HCC V28 HCC 137 (Drug Use Disorder, Moderate/Severe, or Drug Use with Non-Psychotic Complications). For 2027 dates of service, CMS has not yet published the payment year 2028 mappings. ESRD, RxHCC, PACE and HHS-HCC mappings are still pending verification for FY2027.

Source: CMS FY2027 ICD-10-CM order file. Read the FY2027 Official Guidelines.

Review the FY2026 April edition