2026 ICD-10-CM Diagnosis Code C32.0Malignant neoplasm of glottis
ICD-10-CM Codes›C00–D49›C30-C39›C32
- Billable — Valid for Submission
- Chronic Condition
C32.0 is a billable ICD-10-CM diagnosis code for malignant neoplasm of glottis. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to MS-DRG 146 through 148. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Head and neck cancers - laryngeal.
Code Identity
Code Classification
Approximate SynonymsGuidance
Alternate terms and clinical phrases that map to this code.
- Carcinoma of glottis
- Carcinoma of larynx
- Carcinoma of vocal cord
- Malignant neoplasm of anterior commissure
- Malignant neoplasm of glottis
- Malignant neoplasm of posterior commissure
- Malignant neoplasm of vocal cord
- Primary carcinoma of glottis
- Primary carcinoma of larynx
- Primary carcinoma of vocal cord
- Primary malignant neoplasm of glottis
- Primary malignant neoplasm of laryngeal commissure
- Primary malignant neoplasm of vocal cord
- Primary squamous cell carcinoma of glottis
- Tumor of anterior commissure
- Tumor of posterior commissure
Tabular List NotesGuidance
Coding notes and annotation back-references applicable to this code.
Inclusion Terms
- Malignant neoplasm of intrinsic larynx
- Malignant neoplasm of laryngeal commissure (anterior)(posterior)
- Malignant neoplasm of vocal cord (true) NOS
These terms are the conditions for which that code is to be used. The terms may be synonyms of the code title, or, in the case of "other specified" codes, the terms are a list of the various conditions assigned to that code. The inclusion terms are not necessarily exhaustive. Additional terms found only in the Alphabetic Index may also be assigned to a code.
Clinical ClassificationClinical
AHRQ’s CCSR groups this code into broader clinical categories.
Clinical InformationClinical
Glottis
the vocal apparatus of the larynx, situated in the middle section of the larynx. glottis consists of the vocal folds and an opening (rima glottidis) between the folds.
Table of NeoplasmsClinical
Anatomical sites in the Table of Neoplasms that reference this code family.
| Site | Malig. Primary | Malig. Secondary | Ca in situ | Benign | Uncertain | Unspec. |
|---|---|---|---|---|---|---|
| commissure › laryngeal | C32.0 | C78.39 | D02.0 | D14.1 | D38.0 | D49.1 |
| cord (true) (vocal) | C32.0 | C78.39 | D02.0 | D14.1 | D38.0 | D49.1 |
| glottis | C32.0 | C78.39 | D02.0 | D14.1 | D38.0 | D49.1 |
| larynx, laryngeal NEC › commissure (anterior) (posterior) | C32.0 | C78.39 | D02.0 | D14.1 | D38.0 | D49.1 |
| larynx, laryngeal NEC › intrinsic | C32.0 | C78.39 | D02.0 | D14.1 | D38.0 | D49.1 |
| vocal cords (true) | C32.0 | C78.39 | D02.0 | D14.1 | D38.0 | D49.1 |
Patient EducationClinical
Throat Cancer
Throat cancer is a type of head and neck cancer. Throat cancer has different names, depending on which part of the throat is affected. The different parts of your throat are called the oropharynx, the hypopharynx, the nasopharynx, and the larynx, or voice box.
Read the full article at MedlinePlus
Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.
Convert C32.0 to ICD-9-CMHistory
The closest ICD-9-CM equivalents under the General Equivalence Mappings.
Code HistoryHistory
Questions About C32.0Overview
Is C32.0 (Malignant neoplasm of larynx) a billable code?
Yes. This is a billable ICD-10-CM code, specific enough to report malignant neoplasm of glottis on HIPAA-covered claims from October 1, 2025 through September 30, 2026.
What MS-DRG does C32.0 group to?
When malignant neoplasm of glottis is the principal diagnosis on an inpatient stay, it groups to MS-DRG 146, 147, 148, with relative weights from 0.7971 to 2.1174 depending on complications. Higher weights mean higher Medicare reimbursement.
What is the ICD-9 equivalent of C32.0?
Under the General Equivalence Mappings, malignant neoplasm of glottis converts to ICD-9-CM 161.0 (malignant neo glottis). The mapping is a direct match.
Footnotes
[1] Chronic - a chronic condition code indicates a condition lasting 12 months or longer and its effect on the patient based on one or both of the following criteria:
- The condition results in the need for ongoing intervention with medical products,treatment, services, and special equipment
- The condition places limitations on self-care, independent living, and social interactions.
