ICD10BillableValid for clinical use
ICD-10 Code B36.9: Superficial mycosis, unspecified
Reviewed by HealthAssure Clinical TeamUpdated 26 May 2026
What is this code?
ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Certain infectious and parasitic diseases (A00-B99).
When is it used?
- May be used when a clinician documents superficial mycosis, unspecified in a patient's medical record.
- May appear in hospital records, claims, referrals, and clinical documentation.
- This code can be used as a clinically usable diagnosis entry in standardized coding workflows.
What it does not mean
- A code alone does not explain severity, treatment plan, or outcome.
- A medical code should not be treated as a substitute for a doctor's diagnosis or advice.
Code hierarchy
chapter
1Certain infectious and parasitic diseases (A00-B99)
block
B35-B49Mycoses
category
B36Other superficial mycoses
currentB36
Where you may see this code
You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records.
Related specialists
Infectious Disease SpecialistGeneral Physician
Related codes
Sibling codes
Mapped diagnoses and classifications
SNOMED_CT 232223003high
Acute fungal otitis externa
Source: SNOMED International ICD-10 map
SNOMED_CT 1083341000119102high
Bilateral chronic otitis externa of external auditory canals caused by fungus
Source: SNOMED International ICD-10 map
SNOMED_CT 1084121000119108high
Bilateral otitis externa of external auditory canals caused by fungus
Source: SNOMED International ICD-10 map
SNOMED_CT 111898002high
Chronic mycotic otitis externa
Source: SNOMED International ICD-10 map
SNOMED_CT 1088471000119108high
Chronic mycotic otitis externa of left external auditory canal
Source: SNOMED International ICD-10 map
SNOMED_CT 1091081000119107high
Chronic mycotic otitis externa of right external auditory canal
Source: SNOMED International ICD-10 map
Coding guidelines
Compatibility
Legacy and official ICD code match exactly.
Legacy codes
B36.9
Common synonyms
Superficial mycosis, unspecifiedSuperficial mycosis
Frequently asked questions
About this content
This page is prepared by HealthAssure's clinical team using official coding standards from ICD-10. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.