C49
C49: Malignant neoplasm of other connective and soft tissue
Non-billable headerICD-10-CM
C49 is a non-billable header ICD-10-CM code for malignant neoplasm of other connective and soft tissue. It cannot be billed on its own: choose one of the more specific child codes below.
Excludes1: never code together
These conditions cannot occur together. Billing both on the same encounter is a denial.
Excludes2: not included here, but may coexist
The excluded condition is not part of this code, but a patient can have both. You may code both.
- 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
Conditions this code covers.
- 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)
Other codes that can never be billed with C49
Their own Excludes1 notes name this code, so the conflict is not listed above.
- C30.1Malignant neoplasm of middle ear
- C38.0Malignant neoplasm of heart
- C41Malignant neoplasm of bone and articular cartilage of other and unspecified sites
- C44.1Other and unspecified malignant neoplasm of skin of eyelid, including canthus
- C44.2Other and unspecified malignant neoplasm of skin of ear and external auricular canal
- C69Malignant neoplasm of eye and adnexa
Risk adjustment
No CMS-HCC V28 category: this code does not change a RAF score.
Code history
Unchanged in every release from FY2024 to FY2027.
Code to one of these instead C49
10 child codes. Green means billable.
- C49.0Malignant neoplasm of connective and soft tissue of head, face and neck
- C49.1Malignant neoplasm of connective and soft tissue of upper limb, including shoulder
- C49.2Malignant neoplasm of connective and soft tissue of lower limb, including hip
- C49.3Malignant neoplasm of connective and soft tissue of thorax
- C49.4Malignant neoplasm of connective and soft tissue of abdomen
- C49.5Malignant neoplasm of connective and soft tissue of pelvis
- C49.6Malignant neoplasm of connective and soft tissue of trunk, unspecified
- C49.8Malignant neoplasm of overlapping sites of connective and soft tissue
- C49.9Malignant neoplasm of connective and soft tissue, unspecified
- C49.AGastrointestinal stromal tumor