DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

C10 Malignant neoplasm of oropharynx

  • Header · not billable

C10 is not billable. The category heads 7 billable codes in FY2027: the 7 codes directly below it.

Index → code

  • Carcinoma (malignant)branchial or branchiogenic → C10.4

Where it sits

  1. Chapter 2 Neoplasms (C00-D49)
  2. C00-C14 Malignant neoplasms of lip, oral cavity and pharynx (C00-C14)
  3. C10 Malignant neoplasm of oropharynx
Billable codes
7
Subdivisions
7
CC / MCC codes
0 / 0
HCC V28 codes
7
New FY2027
0
Index entries
1

Codes in C10

  1. C10.0
    Malignant neoplasm of vallecula
    Billable21
  2. C10.1
    Malignant neoplasm of anterior surface of epiglottis
    Billable21
    Inclusion terms 2, Excludes2 1

    Inclusion terms

    • Malignant neoplasm of epiglottis, free border [margin]
    • Malignant neoplasm of glossoepiglottic fold(s)

    Excludes2

    • malignant neoplasm of epiglottis (suprahyoid portion) NOS (C32.1) C32.1
  3. C10.2
    Malignant neoplasm of lateral wall of oropharynx
    Billable21
  4. C10.3
    Malignant neoplasm of posterior wall of oropharynx
    Billable21
  5. C10.4
    Malignant neoplasm of branchial cleft
    Billable21
    Inclusion terms 1

    Inclusion terms

    • Malignant neoplasm of branchial cyst [site of neoplasm]
  6. C10.8
    Malignant neoplasm of overlapping sites of oropharynx
    Billable21
    Inclusion terms 1

    Inclusion terms

    • Malignant neoplasm of junctional region of oropharynx
  7. C10.9
    Malignant neoplasm of oropharynx, unspecified
    Billable21

Sources of each column.

Instructions

At C10

Excludes2

  • malignant neoplasm of tonsil (C09.-) C09

Use additional code

  • code to identify:
  • alcohol abuse and dependence (F10.-) F10
  • exposure to environmental tobacco smoke (Z77.22) Z77.22
  • exposure to tobacco smoke in the perinatal period (P96.81) P96.81
  • history of tobacco dependence (Z87.891) Z87.891
  • occupational exposure to environmental tobacco smoke (Z57.31) Z57.31
  • tobacco dependence (F17.-) F17
  • tobacco use (Z72.0) Z72.0

Notes that also apply

Chapter 2 instructions (Notes 8): printed on the chapter 2 page.

Index entries

  • Carcinoma (malignant)branchial or branchiogenic → C10.4

NCHS Alphabetic Index. Index first, then the Tabular List.

Hierarchy