Is ICD-10-CM code C32 billable?

No, C32 (Malignant neoplasm of larynx) is a non-billable ICD-10-CM code. It must be coded to a more specific subcategory before it can be used for reimbursement.

What chapter does ICD-10-CM code C32 belong to?

C32 belongs to Chapter 2 of the ICD-10-CM tabular list: C00–D49 (Neoplasms).

C32Not billable, use a more specific code below

Malignant neoplasm of larynx

In Malignant neoplasms of respiratory and intrathoracic organs (C30-C39), chapter 2: Neoplasms

6 billable codes under C32: none are a CC or MCC; all map to HCC 21 (Lymphoma and Other Cancers).An HCC counts toward a Medicare Advantage patient's risk score.

Instructional notes

Use additional code: add a second code for this, listed after this one

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)

Also applies, from Malignant neoplasms of respiratory and intrathoracic organs (C30-C39)

These notes sit on C30-C39 and apply to every code under it, including C32.

Includes: conditions that are coded here

malignant neoplasm of middle ear

Excludes1: not coded here, use a different code

mesothelioma (C45.-)

Official coding guidelines

From the ICD-10-CM Official Guidelines for Coding and Reporting, FY 2027 (CMS and NCHS). Links open the PDF at the right page.

Rules for coding benign and malignant neoplasms: using the Neoplasm Table, sequencing primary and secondary sites, treatment encounters, complications, and current cancer versus personal history.

Admission/Encounter for treatment of primary site (page 33)
Admission/Encounter for treatment of secondary site (page 33)
Coding and sequencing of complications (page 34)
Primary malignancy previously excised (page 34)
Admissions/Encounters involving antineoplastic chemotherapy, immunotherapy and radiation therapy (page 35)
Admission/encounter to determine extent of malignancy (page 36)
Symptoms, signs, and abnormal findings listed in Chapter 18 associated with neoplasms (page 36)
Admission/encounter for pain control/management (page 36)

Read Section I.C.2 (page 32), 12 more topics

All codes under C32

C32 can't be used on a claim. Pick a billable code below; grey headings group them.

C32 MS-DRGs

This code does not group to an MS-DRG as a principal diagnosis.

Other codes that refer to C32

Notes on these codes point to C32.

Z80.2 Includes: Conditions classifiable to C30-C32, C37-C39
Z85.21 Includes: Conditions classifiable to C32

About the condition

Plain-language background from MedlinePlus (National Library of Medicine), not coding guidance.

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.

Code history

Valid since FY2016, when ICD-10-CM took effect on October 1, 2015. No changes since.