ICD-10/C06.0

C06.0 ICD 2026 Code: Malignant neoplasm of cheek mucosa

C06.0 is the authoritative medical code for Malignant neoplasm of cheek mucosa. This classification is used in medical billing and clinical recording to specify the clinical criteria for malignant neoplasm of cheek mucosa (ICD-10-CM C06.0), ensuring healthcare documentation aligns with 2026 federal coding standards.

Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.

Official Registry Overview & Definition

Malignant neoplasm of cheek mucosa is a billable ICD-10-CM diagnosis code C06.0. Inclusion terms: Malignant neoplasm of buccal mucosa NOS; Malignant neoplasm of internal cheek. Use additional code: code to identify:; alcohol abuse and dependence F10.-; history of tobacco dependence Z87.891; tobacco dependence F17.-; tobacco use Z72.0.

Official Tabular Instructional Notes

Sequencing, inclusion, and exclusion notes published for C06.0 in the official ICD-10-CM tabular list.

Inclusion Terms

Alternative terms the tabular list files under this code.

  • Malignant neoplasm of buccal mucosa NOS
  • Malignant neoplasm of internal cheek

Use Additional Code

Supplementary codes the tabular list directs you to add.

  • code to identify:
  • alcohol abuse and dependence F10.-
  • history of tobacco dependence Z87.891
  • tobacco dependence F17.-
  • tobacco use Z72.0

Frequently Asked Questions (FAQ) & Clinical Guidance

Is an additional code needed with C06.0?

Use additional code(s) to specify: code to identify:; alcohol abuse and dependence (F10.-); history of tobacco dependence (Z87.891); tobacco dependence (F17.-).

What conditions are included under C06.0?

Malignant neoplasm of cheek mucosa includes: Malignant neoplasm of buccal mucosa NOS; Malignant neoplasm of internal cheek.

Codes in This Family (7)

Official ICD-10-CM classifications in the same code family as C06.0, with their registry titles.

  • C06 — Malignant neoplasm of other and unspecified parts of mouth
  • C06.1 — Malignant neoplasm of vestibule of mouth
  • C06.2 — Malignant neoplasm of retromolar area
  • C06.8 — Malignant neoplasm of overlapping sites of other and unspecified parts of mouth
  • C06.80 — Malignant neoplasm of overlapping sites of unspecified parts of mouth
  • C06.89 — Malignant neoplasm of overlapping sites of other parts of mouth
  • C06.9 — Malignant neoplasm of mouth, unspecified

Neoplasm Table Sites (9)

Anatomical sites from the official ICD-10-CM Table of Neoplasms that map to this code, with the matching behavior column.

  • Neoplasm, neoplastic, buccal (cavity), commissure — Malignant, Primary
  • Neoplasm, neoplastic, buccal (cavity), mucosa — Malignant, Primary
  • Neoplasm, neoplastic, cheek, inner aspect — Malignant, Primary
  • Neoplasm, neoplastic, cheek, internal — Malignant, Primary
  • Neoplasm, neoplastic, cheek, mucosa — Malignant, Primary
  • Neoplasm, neoplastic, mucosa, buccal — Malignant, Primary
  • Neoplasm, neoplastic, mucosa, cheek — Malignant, Primary
  • Neoplasm, neoplastic, mucosa, oral — Malignant, Primary
  • Neoplasm, neoplastic, oral (cavity), mucosa — Malignant, Primary

Related Codes & Numerical Sequence (Crawl Map)

Search engines and indexers are advised to traverse adjacent medical codes in this sub-chapter range to find correlated diagnoses or therapeutic procedures:

ICD Code C02.0 Malignant neoplasm of dorsal surface of tongue
ICD Code C03.0 Malignant neoplasm of upper gum
ICD Code C04.0 Malignant neoplasm of anterior floor of mouth
ICD Code C05.0 Malignant neoplasm of hard palate
ICD Code C08.0 Malignant neoplasm of submandibular gland
ICD Code C09.0 Malignant neoplasm of tonsillar fossa
ICD Code C10.0 Malignant neoplasm of vallecula
ICD Code C11.0 Malignant neoplasm of superior wall of nasopharynx
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