Is ICD-10-CM code C10 billable?

No, C10 (Malignant neoplasm of oropharynx) 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 C10 belong to?

C10 belongs to Chapter 2 of the ICD-10-CM tabular list: C00–D49 (Neoplasms).

C10

Non-Billable

ChapterC00–D49

Rankcategory

Description

Malignant neoplasm of oropharynx

About ICD-10-CM code C10

C10 is the ICD-10-CM diagnosis code for Malignant neoplasm of oropharynx. It sits in C00-D49 Neoplasms, within Malignant neoplasms of lip, oral cavity and pharynx (C00-C14). C10 is not billable on its own, coders must choose one of its more specific child codes instead.

Use a more specific code (7 billable)

C10.0Malignant neoplasm of vallecula C10.1Malignant neoplasm of anterior surface of epiglottis C10.2Malignant neoplasm of lateral wall of oropharynx C10.3Malignant neoplasm of posterior wall of oropharynx C10.4Malignant neoplasm of branchial cleft C10.8Malignant neoplasm of overlapping sites of oropharynx C10.9Malignant neoplasm of oropharynx, unspecified

Metadata & Insights

•Non-billable category (requires more specific sub-code).
•Chapter 2: Neoplasms (C00-D49).

Instructional Notes

Excludes2(Not included here. Code separately if applicable.)

malignant neoplasm of tonsil (C09.-)

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)

Clinical Hierarchy

BillableHas subcodes

CH2Neoplasms (C00-D49)

C00-C14Malignant neoplasms of lip, oral cavity and pharynx (C00-C14)

C10Malignant neoplasm of oropharynxNot billable

C10.0Malignant neoplasm of valleculaBillable

C10.1Malignant neoplasm of anterior surface of epiglottisBillable

C10.2Malignant neoplasm of lateral wall of oropharynxBillable

C10.3Malignant neoplasm of posterior wall of oropharynxBillable

C10.4Malignant neoplasm of branchial cleftBillable

C10.8Malignant neoplasm of overlapping sites of oropharynxBillable

C10.9Malignant neoplasm of oropharynx, unspecifiedBillable

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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