C13.1

ICD-10Billable

Malig neoplasm of aryepiglottic fold, hypopharyngeal aspect

Official ICD-10-CM descriptor (FY2026)

Malignant neoplasm of aryepiglottic fold, hypopharyngeal aspect

C13.1 is valid for submission on a claim — CMS flags it as a billable, specific code.

Inclusion terms

  • Malignant neoplasm of aryepiglottic fold, marginal zone
  • Malignant neoplasm of aryepiglottic fold NOS
  • Malignant neoplasm of interarytenoid fold, marginal zone
  • Malignant neoplasm of interarytenoid fold NOS

Excludes2

Not included here. The condition is not part of this code, but a patient may have both, and both codes may be reported together.

  • malignant neoplasm of aryepiglottic fold or interarytenoid fold, laryngeal aspect (C32.1)

Related codes in C13

Where this code sits

Parent code
C13

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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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