DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

C16 Malignant neoplasm of stomach

  • Header · not billable

C16 is not billable. The category heads 9 billable codes in FY2027: the 9 codes directly below it.

Index → code

  • Leather bottle stomach → C16.9
  • Linitis (gastric) plastica → C16.9
  • Adenocarcinomadiffuse typeunspecified site → C16.9

Where it sits

  1. Chapter 2 Neoplasms (C00-D49)
  2. C15-C26 Malignant neoplasms of digestive organs (C15-C26)
  3. C16 Malignant neoplasm of stomach
Billable codes
9
Subdivisions
9
CC / MCC codes
9 / 0
HCC V28 codes
9
New FY2027
0
Index entries
6

Codes in C16

  1. C16.0
    Malignant neoplasm of cardia
    BillableCC20
    Inclusion terms 4

    Inclusion terms

    • Malignant neoplasm of cardiac orifice
    • Malignant neoplasm of cardio-esophageal junction
    • Malignant neoplasm of esophagus and stomach
    • Malignant neoplasm of gastro-esophageal junction
  2. C16.1
    Malignant neoplasm of fundus of stomach
    BillableCC20
  3. C16.2
    Malignant neoplasm of body of stomach
    BillableCC20
  4. C16.3
    Malignant neoplasm of pyloric antrum
    BillableCC20
    Inclusion terms 1

    Inclusion terms

    • Malignant neoplasm of gastric antrum
  5. C16.4
    Malignant neoplasm of pylorus
    BillableCC20
    Inclusion terms 2

    Inclusion terms

    • Malignant neoplasm of prepylorus
    • Malignant neoplasm of pyloric canal
  6. C16.5
    Malignant neoplasm of lesser curvature of stomach, unspecified
    BillableCC20
    Inclusion terms 1

    Inclusion terms

    • Malignant neoplasm of lesser curvature of stomach, not classifiable to C16.1-C16.4 C16.1 C16.4
  7. C16.6
    Malignant neoplasm of greater curvature of stomach, unspecified
    BillableCC20
    Inclusion terms 1

    Inclusion terms

    • Malignant neoplasm of greater curvature of stomach, not classifiable to C16.0-C16.4 C16.0 C16.4
  8. C16.8
    Malignant neoplasm of overlapping sites of stomach
    BillableCC20
  9. C16.9
    Malignant neoplasm of stomach, unspecified
    BillableCC20
    Inclusion terms 1

    Inclusion terms

    • Gastric cancer NOS

CC/MCC: as a secondary diagnosis, unless the principal diagnosis is on the code’s PDX exclusion list (MS-DRG v44 Appendix C; list on the code card).

Sources of each column.

Instructions

At C16

Excludes2

  • malignant carcinoid tumor of the stomach (C7A.092) C7A.092

Use additional code

  • code to identify:
  • alcohol abuse and dependence (F10.-) F10

Notes that also apply

Block C15-C26 instructions (Excludes1 1, Excludes2 1): printed on the block page.

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

Index entries

  • Leather bottle stomach → C16.9
  • Linitis (gastric) plastica → C16.9
  • Adenocarcinomadiffuse typeunspecified site → C16.9
  • Adenocarcinomaintestinal typeunspecified site → C16.9
  • Carcinoma (malignant)diffuse typeunspecified site → C16.9
  • Carcinoma (malignant)intestinal typeunspecified site → C16.9

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

Hierarchy