B36.1 – Tinea nigra

ICD-10-CM 2027 diagnosis code · Mycoses

Billable code

ICD-10-CM code B36.1
Code
B36.1 (claims format: B361)
Description
Tinea nigra
Billable
Yes – valid for HIPAA-covered transactions
Valid for
Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter
1. Certain infectious and parasitic diseases (A00-B99)
Block
B35-B49 Mycoses
Parent codes
B36

Notes for B36.1

Applicable to:
  • Keratomycosis nigricans palmaris
  • Microsporosis nigra
  • Pityriasis nigra

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

Block B35-B49

Excludes2 (not included here):
  • hypersensitivity pneumonitis due to organic dust (J67.-)
  • mycosis fungoides (C84.0-)

Index terms for B36.1

Entries in the ICD-10-CM alphabetic index that lead to this code:

Related codes in B36

Frequently asked questions

What is ICD-10 code B36.1?

B36.1 is the ICD-10-CM code for tinea nigra, in the block B35-B49 (Mycoses).

Is B36.1 a billable code?

Yes. B36.1 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does B36.1 belong to?

It belongs to category B36 – Other superficial mycoses.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.