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U.S. ICD-10-CM · FY 2027

C10 ICD-10-CM Code: Malignant neoplasm of oropharynx

A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.

Code definition

Official description

C10

Malignant neoplasm of oropharynx

ICD-10-CM diagnosis code · United States clinical modification

Classification

Where C10 sits

  1. 1

    Chapter 2

    Neoplasms (C00-D49)

  2. 2

    Section

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

  3. 3

    Category C10

    Malignant neoplasm of oropharynx

  4. 4

    Code C10

    Malignant neoplasm of oropharynx

More specific choices

Codes under C10

C10 is a non-billable category. Choose the child code that best matches the documented diagnosis.

C10.0

Malignant neoplasm of vallecula

C10.1

Malignant neoplasm of anterior surface of epiglottis

C10.2

Malignant neoplasm of lateral wall of oropharynx

C10.3

Malignant neoplasm of posterior wall of oropharynx

C10.4

Malignant neoplasm of branchial cleft

C10.8

Malignant neoplasm of overlapping sites of oropharynx

C10.9

Malignant neoplasm of oropharynx, unspecified

Documentation details

Notes for this code

Inclusion terms

No inclusion terms are listed for C10.

Code first

No “code first” instruction is listed for C10.

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)

Excludes1

Conditions that should not be reported together with this code.

No Excludes1 note is listed for C10.

Excludes2

Conditions not included here that may be reported separately when present.

  • malignant neoplasm of tonsil (C09.-)

Transparency

Source and release

Data release

U.S. ICD-10-CM · FY 2027

Effective date

Oct 1, 2026

Publisher

Vero Scribe Inc.

This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.

Review the CDC/NCHS ICD-10-CM source

Code-specific guidance

Frequently asked questions

What does ICD-10-CM code C10 mean?

C10 is the FY 2027 U.S. ICD-10-CM code for “Malignant neoplasm of oropharynx.”

Is C10 a billable or specific ICD-10-CM code?

No. C10 has more specific child codes in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.

Where is C10 located in ICD-10-CM?

C10 is listed in Chapter 2, Neoplasms (C00-D49), within Malignant neoplasms of lip, oral cavity and pharynx (C00-C14) (C00–C14), under category C10, Malignant neoplasm of oropharynx.

What coding notes are listed for C10?

No inclusion terms are listed for C10 in this reference record. No code-first instruction is listed. Additional-code instructions: 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). No Excludes1 note is listed. Excludes2 notes: malignant neoplasm of tonsil (C09.-).

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