Includes:

  • malignant neoplasm of cartilage (articular) (joint)
  • malignant neoplasm of periosteum

Excludes1

  • malignant neoplasm of bone marrow NOS (C96.9)
  • malignant neoplasm of synovia (C49.-)
  1. C41 Malignant neoplasm of bone and articular cartilage of other and unspecified sites

    1. C41.0 Malignant neoplasm of bones of skull and face

      Inclusion term(s):

      • Malignant neoplasm of maxilla (superior)
      • Malignant neoplasm of orbital bone
    2. C41.1 Malignant neoplasm of mandible

      Inclusion term(s):

      • Malignant neoplasm of inferior maxilla
      • Malignant neoplasm of lower jaw bone
    3. C41.2 Malignant neoplasm of vertebral column

    4. C41.3 Malignant neoplasm of ribs, sternum and clavicle

    5. C41.4 Malignant neoplasm of pelvic bones, sacrum and coccyx

    6. C41.9 Malignant neoplasm of bone and articular cartilage, unspecified

Abbreviations used here:

NEC Not elsewhere classifiable
This abbreviation in the Tabular List represents “other specified”. When a specific code is not available for a condition, the Tabular List includes an NEC entry under a code to identify the code as the “other specified” code.

NOS Not otherwise specified
This abbreviation is the equivalent of unspecified.