C32.1 Malignant neoplasm of supraglottis

Billable ICD-10-CM code, FY2026.

Applicable to

• Malignant neoplasm of aryepiglottic fold or interarytenoid fold, laryngeal aspect
• Malignant neoplasm of epiglottis (suprahyoid portion) NOS
• Malignant neoplasm of extrinsic larynx
• Malignant neoplasm of false vocal cord
• Malignant neoplasm of posterior (laryngeal) surface of epiglottis
• Malignant neoplasm of ventricular bands

Excludes2 (not included here)

• malignant neoplasm of anterior surface of epiglottis (C10.1)
• malignant neoplasm of aryepiglottic fold or interarytenoid fold, hypopharyngeal aspect (C13.1)
• malignant neoplasm of aryepiglottic fold or interarytenoid fold, marginal zone (C13.1)
• malignant neoplasm of aryepiglottic fold or interarytenoid fold NOS (C13.1)

Applies from C32 Malignant neoplasm of larynx

Use additional code

• code to identify:
• alcohol abuse and dependence (F10.-)
• 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)

• 161.1 Malignant neoplasm of supraglottis

Code annotations containing back-references to C32.1

Back-references to C32.1

• Type 2 Excludes: C10.1 Malignant neoplasm of anterior surface of epiglottis ("malignant neoplasm of epiglottis (suprahyoid portion) NOS (C32.1)")
• Type 2 Excludes: C13.1 Malignant neoplasm of aryepiglottic fold, hypopharyngeal aspect ("malignant neoplasm of aryepiglottic fold or interarytenoid fold, laryngeal aspect (C32.1)")

Nearby codes

• C32 Malignant neoplasm of larynx
• C32.0 Malignant neoplasm of glottis
• C32.1 Malignant neoplasm of supraglottis (this code)
• C32.2 Malignant neoplasm of subglottis
• C32.3 Malignant neoplasm of laryngeal cartilage
• C32.8 Malignant neoplasm of overlapping sites of larynx
• C32.9 Malignant neoplasm of larynx, unspecified