2026 ICD-10-CM Diagnosis Code C14.0Malignant neoplasm of pharynx, unspecified
ICD-10-CM Codes›C00–D49›C00-C14›C14
- Billable — Valid for Submission
- Chronic Condition
C14.0 is a billable ICD-10-CM diagnosis code for malignant neoplasm of pharynx, unspecified. 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 - pharyngeal.
Code Identity
Code Classification
Approximate SynonymsGuidance
Alternate terms and clinical phrases that map to this code.
- Carcinoma of pharynx
- Malignant melanoma of mucous membrane
- Malignant neoplasm of ear, nose, and/or throat
- Malignant neoplasm of lateral pharyngeal space
- Malignant neoplasm of pharynx
- Malignant neoplasm of posterior pharynx
- Mass of parapharyngeal space
- Primary malignant melanoma of mucous membrane of pharynx
- Primary malignant neoplasm of ear, nose AND/OR throat
- Primary malignant neoplasm of pharynx
- Primary rhabdomyosarcoma of pharynx
- Primary rhabdomyosarcoma of respiratory organ
- Primary squamous cell carcinoma of pharynx
- Squamous cell carcinoma of pharynx
Clinical ClassificationClinical
AHRQ’s CCSR groups this code into broader clinical categories.
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. |
|---|---|---|---|---|---|---|
| pharynx, pharyngeal | C14.0 | C79.89 | D00.08 | D10.9 | D37.05 | D49.0 |
| pharynx, pharyngeal › region | C14.0 | C79.89 | D00.08 | D10.9 | D37.05 | D49.0 |
| pharynx, pharyngeal › wall (lateral) (posterior) | C14.0 | C79.89 | D00.08 | D10.9 | D37.05 | D49.0 |
| retropharyngeal | C14.0 | C79.89 | D00.08 | D10.9 | D37.05 | D49.0 |
| throat | C14.0 | C79.89 | D00.08 | D10.9 | D37.05 | D49.0 |
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 C14.0 to ICD-9-CMHistory
The closest ICD-9-CM equivalents under the General Equivalence Mappings.
Code HistoryHistory
Questions About C14.0Overview
Is C14.0 a billable code?
Yes. This is a billable ICD-10-CM code, specific enough to report malignant neoplasm of pharynx, unspecified on HIPAA-covered claims from October 1, 2025 through September 30, 2026.
What MS-DRG does C14.0 group to?
When malignant neoplasm of pharynx, unspecified 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 C14.0?
Under the General Equivalence Mappings, malignant neoplasm of pharynx, unspecified converts to ICD-9-CM 149.0 (mal neo pharynx NOS). 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.
