ICD-10-CM › C00-D49 › C45-C49 › C49 Malignant neoplasm of other... › C49.A

C49.A

Gastrointestinal stromal tumor

Not billableICD-10-CM diagnosis code.

This code exists but cannot be submitted on its own. It groups the more specific codes beneath it.

A category header for its whole life, FY2017 onwards. It has never been valid for submission on its own.

Submit one of these 7 more specific codes instead:

  • C49.A0 Gastrointestinal stromal tumor, unspecified site
  • C49.A1 Gastrointestinal stromal tumor of esophagus
  • C49.A2 Gastrointestinal stromal tumor of stomach
  • C49.A3 Gastrointestinal stromal tumor of small intestine
  • C49.A4 Gastrointestinal stromal tumor of large intestine
  • C49.A5 Gastrointestinal stromal tumor of rectum
  • C49.A9 Gastrointestinal stromal tumor of other sites

What has happened to this code

Every change the publisher made, from 2017 to now.

  1. FY2017 Added to the code set Gastrointestinal stromal tumor

Official coding rules

Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.

Inherited from C49 Malignant neoplasm of other connective and soft tissue

Excludes1 - never coded here

  • malignant neoplasm of cartilage (of):
  • articular (C40-C41)
  • larynx (C32.3)
  • nose (C30.0)
  • malignant neoplasm of connective tissue of breast (C50.-)

Excludes2 - not included here

  • Kaposi's sarcoma of soft tissue (C46.1)
  • malignant neoplasm of heart (C38.0)
  • malignant neoplasm of peripheral nerves and autonomic nervous system (C47.-)
  • malignant neoplasm of peritoneum (C48.2)
  • malignant neoplasm of retroperitoneum (C48.0)
  • malignant neoplasm of uterine ligament (C57.3)
  • mesothelioma (C45.-)

Includes

  • malignant neoplasm of blood vessel
  • malignant neoplasm of bursa
  • malignant neoplasm of cartilage
  • malignant neoplasm of fascia
  • malignant neoplasm of fat
  • malignant neoplasm of ligament, except uterine
  • malignant neoplasm of lymphatic vessel
  • malignant neoplasm of muscle
  • malignant neoplasm of synovia
  • malignant neoplasm of tendon (sheath)

How CDC's index refers to this code

Wording from the official alphabetic index. Much of it appears nowhere in the code description, which is why a search for the everyday phrase so often finds nothing.

Codes in the same group

CodeDescriptionStatus
C49.0 Malignant neoplasm of connective and soft tissue of head, face and neck Valid
C49.1 Malignant neoplasm of connective and soft tissue of upper limb, including shoulder Not billable
C49.2 Malignant neoplasm of connective and soft tissue of lower limb, including hip Not billable
C49.3 Malignant neoplasm of connective and soft tissue of thorax Valid
C49.4 Malignant neoplasm of connective and soft tissue of abdomen Valid
C49.5 Malignant neoplasm of connective and soft tissue of pelvis Valid
C49.6 Malignant neoplasm of connective and soft tissue of trunk, unspecified Valid
C49.8 Malignant neoplasm of overlapping sites of connective and soft tissue Valid
C49.9 Malignant neoplasm of connective and soft tissue, unspecified Valid