Q82.2

ICD-10Billable

Congenital cutaneous mastocytosis

Official ICD-10-CM descriptor (FY2026)

Congenital cutaneous mastocytosis

Q82.2 is valid for submission on a claim — CMS flags it as a billable, specific code.

Inclusion terms

  • Congenital diffuse cutaneous mastocytosis
  • Congenital maculopapular cutaneous mastocytosis
  • Congenital urticaria pigmentosa

Excludes1

Not coded here. An Excludes1 code should never be reported at the same time as the code above it.

  • cutaneous mastocytosis NOS (D47.01)
  • diffuse cutaneous mastocytosis (with onset after newborn period) (D47.01)
  • malignant mastocytosis (C96.2-)
  • systemic mastocytosis (D47.02)
  • urticaria pigmentosa (non-congenital) (with onset after newborn period) (D47.01)

Related codes in Q82

Where this code sits

Parent code
Q82

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Source

ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.

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