B49
Unspecified mycosis
Billable FY2026 2025-10-01 → 2026-09-30
Exclusions 7 never code together
B35-B49block
A00-B99chapter
Excludes1
- certain localized infections - see body system-related chapters
Excludes2
- carrier or suspected carrier of infectious disease (Z22.-)Z22.-
- infectious and parasitic diseases complicating pregnancy, childbirth and the puerperium (O98.-)O98.-
- infectious and parasitic diseases specific to the perinatal period (P35-P39)P35-P39
- influenza and other acute respiratory infections (J00-J22)J00-J22
Excludes1 — never code together. The excluded condition and this one are mutually exclusive.
Excludes2 — not included here, but the patient may have both. Code both when documented.
Instructional notes 3
Index entries leading here 14
- Arthritis, arthritic (acute) (chronic) (nonpyogenic) (subacute) M19.90
- Bronchomycosis NOS B49
- Cough (affected) (epidemic) (nervous) R05.9
- tea taster's B49
- Diarrhea, diarrheal (disease) (infantile) (inflammatory) R19.7
- mycotic NEC B49
- Disease, diseased — see also Syndrome
- Fungus, fungous
- disease NOS B49
- Fungemia NOS B49
- Infection, infected, infective (opportunistic) B99.9
- Myositis M60.9
- Keratomycosis B49
- Meningitis (basal) (basic) (brain) (cerebral) (cervical) (congestive) (diffuse) (hemorrhagic) (infantile) (membranous) (metastatic) (nonspecific) (pontine) (progressive) (simple) (spinal) (subacute) (sympathetic) (toxic) G03.9
- mycotic NEC B49
- Mycelium infection B49
- Mycosis, mycotic B49
- Pneumomycosis B49
Medications 1
MED-RT files conditions by MeSH, which carves the world differently from ICD-10. These are name matches on this code's description, offered as candidates — not as an assertion that they are this code.
Additional references
AHA Coding Clinic® Licence required
Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.