C13.1 Malignant neoplasm of aryepiglottic fold, hypopharyngeal aspect
Billable ICD-10-CM code, FY2026.
Applicable to
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)
malignant neoplasm of aryepiglottic fold or interarytenoid fold, laryngeal aspect (C32.1)
Applies from C13 Malignant neoplasm of hypopharynx
Excludes2 (not included here)
malignant neoplasm of pyriform sinus (C12)
Use additional code
code to identify:
exposure to environmental tobacco smoke (Z77.22)
exposure to tobacco smoke in the perinatal period (P96.81)
history of tobacco dependence (Z87.891)
occupational exposure to environmental tobacco smoke (Z57.31)
tobacco dependence (F17.-)
tobacco use (Z72.0)
Risk adjustment (HCC)
CMS-HCC V28: HCC 21 — Lymphoma and Other Cancers
CMS-HCC V22: HCC 11 — Colorectal, Bladder, and Other Cancers
ESRD V24: HCC 11
MS-DRG index
Defines the logic of DRG(s) 011-013 in MDC PRE.
Approximate ICD-9-CM (GEMs)
148.2 Malignant neoplasm of aryepiglottic fold, hypopharyngeal aspect
Code annotations containing back-references to C13.1
Back-references to C13.1
Type 2 Excludes: C32.1 Malignant neoplasm of supraglottis ("malignant neoplasm of aryepiglottic fold or interarytenoid fold, hypopharyngeal aspect (C13.1)")
Type 2 Excludes: C32.1 Malignant neoplasm of supraglottis ("malignant neoplasm of aryepiglottic fold or interarytenoid fold, marginal zone (C13.1)")
Type 2 Excludes: C32.1 Malignant neoplasm of supraglottis ("malignant neoplasm of aryepiglottic fold or interarytenoid fold NOS (C13.1)")