DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

D00 Carcinoma in situ of oral cavity, esophagus and stomach

  • Header · not billable

D00 is not billable. The category heads 11 billable codes in FY2027, grouped under 3 subdivisions.

Where it sits

  1. Chapter 2 Neoplasms (C00-D49)
  2. D00-D09 In situ neoplasms (D00-D09)
  3. D00 Carcinoma in situ of oral cavity, esophagus and stomach
Billable codes
11
Subdivisions
3
CC / MCC codes
0 / 0
HCC V28 codes
0
New FY2027
0
Index entries
0

Codes in D00

  1. D00.0
    Carcinoma in situ of lip, oral cavity and pharynx
    Header
    Excludes1 4, Use additional code 7

    Excludes1

    • carcinoma in situ of aryepiglottic fold or interarytenoid fold, laryngeal aspect (D02.0) D02.0
    • carcinoma in situ of epiglottis NOS (D02.0) D02.0
    • carcinoma in situ of epiglottis suprahyoid portion (D02.0) D02.0
    • carcinoma in situ of skin of lip (D03.0, D04.0) D03.0 D04.0

    Use additional code

    • code to identify:
    • 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
  2. D00.00
    Carcinoma in situ of oral cavity, unspecified site
    Billable
  3. D00.01
    Carcinoma in situ of labial mucosa and vermilion border
    Billable
  4. D00.02
    Carcinoma in situ of buccal mucosa
    Billable
  5. D00.03
    Carcinoma in situ of gingiva and edentulous alveolar ridge
    Billable
  6. D00.04
    Carcinoma in situ of soft palate
    Billable
  7. D00.05
    Carcinoma in situ of hard palate
    Billable
  8. D00.06
    Carcinoma in situ of floor of mouth
    Billable
  9. D00.07
    Carcinoma in situ of tongue
    Billable
  10. D00.08
    Carcinoma in situ of pharynx
    Billable
    Inclusion terms 3

    Inclusion terms

    • Carcinoma in situ of aryepiglottic fold NOS
    • Carcinoma in situ of hypopharyngeal aspect of aryepiglottic fold
    • Carcinoma in situ of marginal zone of aryepiglottic fold
  11. D00.1
    Carcinoma in situ of esophagus
    Billable
  12. D00.2
    Carcinoma in situ of stomach
    Billable

Sources of each column.

Instructions

At D00

Excludes1

  • melanoma in situ (D03.-) D03

Notes that also apply

Block D00-D09 instructions (Includes 4): printed on the block page.

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

Hierarchy