ICD-10-CM 2027
ICD-10 code for Chignon disease
From the official ICD-10-CM alphabetic index entry “Disease, diseased › Chignon”. Page updated September 29, 2026.
About coding Chignon disease
The ICD-10-CM code for Chignon disease is B36.8 (Other specified superficial mycoses).
Within B36, choose B36.8 (Other specified superficial mycoses) only when documentation doesn't support a more specific option: pityriasis versicolor (B36.0), tinea nigra (B36.1), white piedra (B36.2), black piedra (B36.3) and superficial mycosis, unspecified (B36.9).
It is not a CC or MCC, so as a secondary diagnosis it doesn't change the MS-DRG severity level.
In MS-DRG v44.0, it is part of the grouping logic for DRG 606 (Minor Skin Disorders with MCC, relative weight 1.5728) and DRG 607 (Minor Skin Disorders without MCC, relative weight 0.8772), in MDC 09 (Diseases and Disorders of the Skin, Subcutaneous Tissue and Breast), as a principal or secondary diagnosis. The DRG a claim lands in depends on the principal diagnosis, procedures and any CC/MCC secondary diagnoses.
Common questions about Chignon disease ICD-10 codes
What is the ICD-10 code for Chignon disease?
- B36.8 — Other specified superficial mycoses.
Is B36.8 billable?
- Yes. B36.8 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).
Can B36.8 be used as a principal diagnosis?
- Yes. The Medicare Code Editor doesn't restrict B36.8 as a principal diagnosis.
Is B36.8 a CC or MCC?
- No. B36.8 is neither a CC nor an MCC under MS-DRG v44.0.