ICD-10 · PDGM grouping

B35-B49 — Mycoses

Every ICD-10-CM code in this range and the PDGM clinical group CMS assigns to it, read from the CMS grouper crosswalk v07.1.26.

OASIS-E2 v1.00.0 · ingested 2026-04-26

Codes in range

104

No clinical group

A period cannot be grouped from these.

Barred as primary

CMS rejects these in the primary position.

Where these codes group

100 of the 104 codes in B35-B49 group to MMTA - Infectious Disease, Neoplasms, and Blood-Forming Diseases, but the range is not uniform — it spreads across 2 clinical groups. Every code here is assigned a group.

Every code in B35-B49

Descriptions are CMS’s own, abbreviated as CMS abbreviates them.

Code	Description	Clinical group	Primary position
B350	Tinea barbae and tinea capitis	K	Accepted
B351	Tinea unguium	K	Accepted
B352	Tinea manuum	K	Accepted
B353	Tinea pedis	K	Accepted
B354	Tinea corporis	K	Accepted
B355	Tinea imbricata	K	Accepted
B356	Tinea cruris	K	Accepted
B358	Other dermatophytoses	K	Accepted
B359	Dermatophytosis, unspecified	K	Accepted
B360	Pityriasis versicolor	K	Accepted
B361	Tinea nigra	K	Accepted
B362	White piedra	K	Accepted
B363	Black piedra	K	Accepted
B368	Other specified superficial mycoses	K	Accepted
B369	Superficial mycosis, unspecified	K	Accepted
B370	Candidal stomatitis	K	Accepted
B371	Pulmonary candidiasis	K	Accepted
B372	Candidiasis of skin and nail	K	Accepted
B3731	Acute candidiasis of vulva and vagina	K	Accepted
B3732	Chronic candidiasis of vulva and vagina	K	Accepted
B3741	Candidal cystitis and urethritis	K	Accepted
B3742	Candidal balanitis	K	Accepted
B3749	Other urogenital candidiasis	K	Accepted
B375	Candidal meningitis	B	Accepted
B376	Candidal endocarditis	K	Accepted
B377	Candidal sepsis	B	Accepted
B3781	Candidal esophagitis	K	Accepted
B3782	Candidal enteritis	K	Accepted
B3783	Candidal cheilitis	K	Accepted
B3784	Candidal otitis externa	K	Accepted
B3789	Other sites of candidiasis	K	Accepted
B379	Candidiasis, unspecified	K	Accepted
B380	Acute pulmonary coccidioidomycosis	K	Accepted
B381	Chronic pulmonary coccidioidomycosis	K	Accepted
B382	Pulmonary coccidioidomycosis, unspecified	K	Accepted
B383	Cutaneous coccidioidomycosis	K	Accepted
B384	Coccidioidomycosis meningitis	B	Accepted
B387	Disseminated coccidioidomycosis	K	Accepted
B3881	Prostatic coccidioidomycosis	K	Accepted
B3889	Other forms of coccidioidomycosis	K	Accepted
B389	Coccidioidomycosis, unspecified	K	Accepted
B390	Acute pulmonary histoplasmosis capsulati	K	Accepted
B391	Chronic pulmonary histoplasmosis capsulati	K	Accepted
B392	Pulmonary histoplasmosis capsulati, unspecified	K	Accepted
B393	Disseminated histoplasmosis capsulati	K	Accepted
B394	Histoplasmosis capsulati, unspecified	K	Accepted
B395	Histoplasmosis duboisii	K	Accepted
B399	Histoplasmosis, unspecified	K	Accepted
B400	Acute pulmonary blastomycosis	K	Accepted
B401	Chronic pulmonary blastomycosis	K	Accepted
B402	Pulmonary blastomycosis, unspecified	K	Accepted
B403	Cutaneous blastomycosis	K	Accepted
B407	Disseminated blastomycosis	K	Accepted
B4081	Blastomycotic meningoencephalitis	B	Accepted
B4089	Other forms of blastomycosis	K	Accepted
B409	Blastomycosis, unspecified	K	Accepted
B410	Pulmonary paracoccidioidomycosis	K	Accepted
B417	Disseminated paracoccidioidomycosis	K	Accepted
B418	Other forms of paracoccidioidomycosis	K	Accepted
B419	Paracoccidioidomycosis, unspecified	K	Accepted
B420	Pulmonary sporotrichosis	K	Accepted
B421	Lymphocutaneous sporotrichosis	K	Accepted
B427	Disseminated sporotrichosis	K	Accepted
B4281	Cerebral sporotrichosis	K	Accepted
B4282	Sporotrichosis arthritis	K	Accepted
B4289	Other forms of sporotrichosis	K	Accepted
B429	Sporotrichosis, unspecified	K	Accepted
B430	Cutaneous chromomycosis	K	Accepted
B431	Pheomycotic brain abscess	K	Accepted
B432	Subcutaneous pheomycotic abscess and cyst	K	Accepted
B438	Other forms of chromomycosis	K	Accepted
B439	Chromomycosis, unspecified	K	Accepted
B440	Invasive pulmonary aspergillosis	K	Accepted
B441	Other pulmonary aspergillosis	K	Accepted
B442	Tonsillar aspergillosis	K	Accepted
B447	Disseminated aspergillosis	K	Accepted
B4481	Allergic bronchopulmonary aspergillosis	K	Accepted
B4489	Other forms of aspergillosis	K	Accepted
B449	Aspergillosis, unspecified	K	Accepted
B450	Pulmonary cryptococcosis	K	Accepted
B451	Cerebral cryptococcosis	K	Accepted
B452	Cutaneous cryptococcosis	K	Accepted
B453	Osseous cryptococcosis	K	Accepted
B457	Disseminated cryptococcosis	K	Accepted
B458	Other forms of cryptococcosis	K	Accepted
B459	Cryptococcosis, unspecified	K	Accepted
B460	Pulmonary mucormycosis	K	Accepted
B461	Rhinocerebral mucormycosis	K	Accepted
B462	Gastrointestinal mucormycosis	K	Accepted
B463	Cutaneous mucormycosis	K	Accepted
B464	Disseminated mucormycosis	K	Accepted
B465	Mucormycosis, unspecified	K	Accepted
B468	Other zygomycoses	K	Accepted
B469	Zygomycosis, unspecified	K	Accepted
B470	Eumycetoma	K	Accepted
B471	Actinomycetoma	K	Accepted
B479	Mycetoma, unspecified	K	Accepted
B480	Lobomycosis	K	Accepted
B481	Rhinosporidiosis	K	Accepted
B482	Allescheriasis	K	Accepted
B483	Geotrichosis	K	Accepted
B484	Penicillosis	K	Accepted
B488	Other specified mycoses	K	Accepted
B49	Unspecified mycosis	K	Accepted

Source: CMS HH PPS Grouper Software v07.1.26, effective 2026-04-01. 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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B35-B49 — Mycoses

Where these codes group

Every code in B35-B49

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