October 1 update. Our PDGM and ICD-10 tools now use the FY2027 code set: 190 codes added, 30 deleted, and no existing code changed clinical group.

See what changed

ICD-10 · PDGM grouping

F18 Inhalant related disorders

All 39 codes in the F18 family, with the PDGM clinical group, comorbidity subgroup and primary-position rule CMS assigns, read from the CMS grouper crosswalk v07.2.26 and the CDC FY2027 code file.

ICD-10-CM FY2027 · CMS grouper v07.2.26

Codes in family

39

Can lead a claim

37

Cannot lead a claim

2

What CMS assigns to F18

37 of the 39 codes group to Behavioral Health; 2 are assigned no clinical group. None of the 39 is assigned a comorbidity subgroup. 37 of the 39 can lead a claim.

Every code in F18

Descriptions are CDC’s FY2027 wording; where CMS’s grouper abbreviates one, its form is shown beneath.

CodeDescriptionPrimary positionClinical groupComorbidity subgroup
F18.1 Inhalant abuse
F18.10Inhalant abuse, uncomplicatedCan lead a claimFNone
F18.11Inhalant abuse, in remissionCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
F18.12 Inhalant abuse with intoxication
F18.120Inhalant abuse with intoxication, uncomplicatedCan lead a claimFNone
F18.121Inhalant abuse with intoxication deliriumCan lead a claimFNone
F18.129Inhalant abuse with intoxication, unspecifiedCan lead a claimFNone
F18.14Inhalant abuse with inhalant-induced mood disorderCan lead a claimFNone
F18.15 Inhalant abuse with inhalant-induced psychotic disorder
F18.150Inhalant abuse with inhalant-induced psychotic disorder with delusionsCMS: Inhalant abuse w inhalnt-induce psych disorder w delusionsCan lead a claimFNone
F18.151Inhalant abuse with inhalant-induced psychotic disorder with hallucinationsCMS: Inhalant abuse w inhalnt-induce psych disorder w hallucinCan lead a claimFNone
F18.159Inhalant abuse with inhalant-induced psychotic disorder, unspecifiedCMS: Inhalant abuse w inhalant-induced psychotic disorder, unspCan lead a claimFNone
F18.17Inhalant abuse with inhalant-induced dementiaCan lead a claimFNone
F18.18 Inhalant abuse with other inhalant-induced disorders
F18.180Inhalant abuse with inhalant-induced anxiety disorderCan lead a claimFNone
F18.188Inhalant abuse with other inhalant-induced disorderCan lead a claimFNone
F18.19Inhalant abuse with unspecified inhalant-induced disorderCan lead a claimFNone
F18.2 Inhalant dependence
F18.20Inhalant dependence, uncomplicatedCan lead a claimFNone
F18.21Inhalant dependence, in remissionCan lead a claimFNone
F18.22 Inhalant dependence with intoxication
F18.220Inhalant dependence with intoxication, uncomplicatedCan lead a claimFNone
F18.221Inhalant dependence with intoxication deliriumCan lead a claimFNone
F18.229Inhalant dependence with intoxication, unspecifiedCan lead a claimFNone
F18.24Inhalant dependence with inhalant-induced mood disorderCan lead a claimFNone
F18.25 Inhalant dependence with inhalant-induced psychotic disorder
F18.250Inhalant dependence with inhalant-induced psychotic disorder with delusionsCMS: Inhalant depend w inhalnt-induce psych disorder w delusionsCan lead a claimFNone
F18.251Inhalant dependence with inhalant-induced psychotic disorder with hallucinationsCMS: Inhalant depend w inhalnt-induce psych disorder w hallucinCan lead a claimFNone
F18.259Inhalant dependence with inhalant-induced psychotic disorder, unspecifiedCMS: Inhalant depend w inhalnt-induce psychotic disorder, unspCan lead a claimFNone
F18.27Inhalant dependence with inhalant-induced dementiaCan lead a claimFNone
F18.28 Inhalant dependence with other inhalant-induced disorders
F18.280Inhalant dependence with inhalant-induced anxiety disorderCan lead a claimFNone
F18.288Inhalant dependence with other inhalant-induced disorderCan lead a claimFNone
F18.29Inhalant dependence with unspecified inhalant-induced disorderCMS: Inhalant dependence with unsp inhalant-induced disorderCan lead a claimFNone
F18.9 Inhalant use, unspecified
F18.90Inhalant use, unspecified, uncomplicatedCan lead a claimFNone
F18.91Inhalant use, unspecified, in remissionCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone
F18.92 Inhalant use, unspecified with intoxication
F18.920Inhalant use, unspecified with intoxication, uncomplicatedCan lead a claimFNone
F18.921Inhalant use, unspecified with intoxication with deliriumCan lead a claimFNone
F18.929Inhalant use, unspecified with intoxication, unspecifiedCan lead a claimFNone
F18.94Inhalant use, unspecified with inhalant-induced mood disorderCMS: Inhalant use, unsp with inhalant-induced mood disorderCan lead a claimFNone
F18.95 Inhalant use, unspecified with inhalant-induced psychotic disorder
F18.950Inhalant use, unspecified with inhalant-induced psychotic disorder with delusionsCMS: Inhalant use, unsp w inhalnt-induce psych disord w delusionsCan lead a claimFNone
F18.951Inhalant use, unspecified with inhalant-induced psychotic disorder with hallucinationsCMS: Inhalant use, unsp w inhalnt-induce psych disord w hallucinCan lead a claimFNone
F18.959Inhalant use, unspecified with inhalant-induced psychotic disorder, unspecifiedCMS: Inhalant use, unsp w inhalnt-induce psychotic disorder, unspCan lead a claimFNone
F18.97Inhalant use, unspecified with inhalant-induced persisting dementiaCMS: Inhalant use, unsp with inhalant-induced persisting dementiaCan lead a claimFNone
F18.98 Inhalant use, unspecified with other inhalant-induced disorders
F18.980Inhalant use, unspecified with inhalant-induced anxiety disorderCMS: Inhalant use, unsp with inhalant-induced anxiety disorderCan lead a claimFNone
F18.988Inhalant use, unspecified with other inhalant-induced disorderCMS: Inhalant use, unsp with other inhalant-induced disorderCan lead a claimFNone
F18.99Inhalant use, unspecified with unspecified inhalant-induced disorderCMS: Inhalant use, unsp with unsp inhalant-induced disorderCan lead a claimFNone

Sources: CMS HH PPS Grouper Software v07.2.26, effective 2026-10-01, for the clinical group, comorbidity subgroup, code-first conventions and primary-position flags; CDC NCHS ICD-10-CM FY2027 code descriptions for the family title and code wording. This is the crosswalk Medicare runs a claim through. Grouping also depends on admission source, timing, the OASIS functional items and the rest of the diagnosis list.

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