Chapter 2

C00–D49: Neoplasms

Neoplasms diagnostic classification updated for 2026.

Internal Codes
  • D39.0

    Neoplasm of uncertain behavior of uterus

  • D39.10

    Neoplasm of uncertain behavior of unspecified ovary

  • D39.11

    Neoplasm of uncertain behavior of right ovary

  • D39.12

    Neoplasm of uncertain behavior of left ovary

  • D39.2

    Neoplasm of uncertain behavior of placenta

  • D39.8

    Neoplasm of uncertain behavior of other specified female genital organs

  • D39.9

    Neoplasm of uncertain behavior of female genital organ, unspecified

  • D3A.00

    Benign carcinoid tumor of unspecified site

  • D3A.010

    Benign carcinoid tumor of the duodenum

  • D3A.011

    Benign carcinoid tumor of the jejunum

  • D3A.012

    Benign carcinoid tumor of the ileum

  • D3A.019

    Benign carcinoid tumor of the small intestine, unspecified portion

  • D3A.020

    Benign carcinoid tumor of the appendix

  • D3A.021

    Benign carcinoid tumor of the cecum

  • D3A.022

    Benign carcinoid tumor of the ascending colon

  • D3A.023

    Benign carcinoid tumor of the transverse colon

  • D3A.024

    Benign carcinoid tumor of the descending colon

  • D3A.025

    Benign carcinoid tumor of the sigmoid colon

  • D3A.026

    Benign carcinoid tumor of the rectum

  • D3A.029

    Benign carcinoid tumor of the large intestine, unspecified portion

  • D3A.090

    Benign carcinoid tumor of the bronchus and lung

  • D3A.091

    Benign carcinoid tumor of the thymus

  • D3A.092

    Benign carcinoid tumor of the stomach

  • D3A.093

    Benign carcinoid tumor of the kidney

  • D3A.094

    Benign carcinoid tumor of the foregut, unspecified

  • D3A.095

    Benign carcinoid tumor of the midgut, unspecified

  • D3A.096

    Benign carcinoid tumor of the hindgut, unspecified

  • D3A.098

    Benign carcinoid tumors of other sites

  • D3A.8

    Other benign neuroendocrine tumors

  • D40.0

    Neoplasm of uncertain behavior of prostate

  • D40.10

    Neoplasm of uncertain behavior of unspecified testis

  • D40.11

    Neoplasm of uncertain behavior of right testis

  • D40.12

    Neoplasm of uncertain behavior of left testis

  • D40.8

    Neoplasm of uncertain behavior of other specified male genital organs

  • D40.9

    Neoplasm of uncertain behavior of male genital organ, unspecified

  • D41.00

    Neoplasm of uncertain behavior of unspecified kidney

  • D41.01

    Neoplasm of uncertain behavior of right kidney

  • D41.02

    Neoplasm of uncertain behavior of left kidney

  • D41.10

    Neoplasm of uncertain behavior of unspecified renal pelvis

  • D41.11

    Neoplasm of uncertain behavior of right renal pelvis

  • D41.12

    Neoplasm of uncertain behavior of left renal pelvis

  • D41.20

    Neoplasm of uncertain behavior of unspecified ureter

  • D41.21

    Neoplasm of uncertain behavior of right ureter

  • D41.22

    Neoplasm of uncertain behavior of left ureter

  • D41.3

    Neoplasm of uncertain behavior of urethra

  • D41.4

    Neoplasm of uncertain behavior of bladder

  • D41.8

    Neoplasm of uncertain behavior of other specified urinary organs

  • D41.9

    Neoplasm of uncertain behavior of unspecified urinary organ

  • D42.0

    Neoplasm of uncertain behavior of cerebral meninges

  • D42.1

    Neoplasm of uncertain behavior of spinal meninges

PreviousPage 33 of 35Next