Diagnosis Code

C49.9 MALIGNANT NEOPLASM OF CONNECTIVE AND SOFT TISSUE, UNSP


Code Information

Diagnosis Code: C49.9

Short Description: Malignant neoplasm of connective and soft tissue, unsp

Long Description: Malignant neoplasm of connective and soft tissue, unspecified

The code C49.9 is VALID for claim submission

Code Classification:

  • Neoplasms (C00–D49)
    • Malignant neoplasms of mesothelial and soft tissue (C45-C49)
      • Malignant neoplasm of other connective and soft tissue (C49)
        • C49.9 Malignant neoplasm of connective and soft tissue, unsp

Code Version: 2022 ICD-10-CM


Synonyms

  • Adipocytic liposarcoma
  • Alveolar rhabdomyosarcoma
  • Alveolar soft part sarcoma
  • Angiosarcoma
  • Botryoid rhabdomyosarcoma
  • Cutaneous leiomyosarcoma
  • Cutaneous leiomyosarcoma with granular cell change
  • Dedifferentiated liposarcoma
  • Desmoplastic small round cell tumor
  • Embryonal rhabdomyosarcoma
  • Epithelioid leiomyosarcoma of skin
  • Epithelioid sarcoma
  • Ewing's sarcoma of soft tissue
  • Extraskeletal myxoid chondrosarcoma
  • Extraskeletal myxoid chondrosarcoma of soft tissue of limb
  • Extraskeletal osteosarcoma
  • Fibrosarcoma of connective tissue
  • Giant cell malignant fibrous histiocytoma of skin
  • Hemangioendothelioma
  • Inflammatory malignant fibrous histiocytoma of skin
  • Intergroup rhabdomyosarcoma study post-surgical clinical group finding
  • Intergroup rhabdomyosarcoma study post-surgical clinical group finding
  • Intergroup rhabdomyosarcoma study post-surgical clinical group finding
  • Intergroup rhabdomyosarcoma study post-surgical clinical group IIIA: Localized or locally extensive tumor, gross residual disease after biopsy only
  • Intergroup rhabdomyosarcoma study post-surgical clinical group IIIB: Localized or locally extensive tumor, gross residual disease after major resection
  • Intergroup rhabdomyosarcoma study post-surgical clinical group IV: Any size primary tumor, with or without regional lymph node involvement, with distant metastases, without respect to surgical approach to primary tumor
  • Intravascular angiosarcoma
  • Leiomyosarcoma
  • Leiomyosarcoma of connective tissue
  • Liposarcoma
  • Liposarcoma of connective tissue
  • Local recurrence of malignant tumor of soft tissue
  • Low-grade fibromyxoid sarcoma
  • Lymphangiosarcoma
  • Malignant fibromatous neoplasm
  • Malignant fibrous histiocytoma
  • Malignant fibrous histiocytoma of skin
  • Malignant granular cell tumor
  • Malignant melanoma of soft tissues
  • Malignant neoplasm of blood vessel
  • Malignant neoplasm of bone, connective tissue, skin and breast
  • Malignant neoplasm of connective tissue
  • Malignant neoplasm of soft tissue
  • Malignant neoplasm of subcutaneous fibrous tissue
  • Malignant tumor of dermis
  • Malignant tumor of dermis
  • Malignant tumor of fibrous tissue
  • Malignant tumor of muscle
  • Metastatic sarcoma to retroperitoneum
  • Myxofibrosarcoma of skin
  • Myxoid leiomyosarcoma of skin
  • Myxoid liposarcoma
  • Neoplastic complication of procedure
  • Pleomorphic liposarcoma
  • Pleomorphic malignant fibrous histiocytoma of skin
  • Pleomorphic rhabdomyosarcoma
  • Primary botryoid rhabdomyosarcoma
  • Primary extraskeletal osteosarcoma
  • Primary fibrosarcoma of connective tissue
  • Primary leiomyosarcoma
  • Primary liposarcoma of soft tissue of limb
  • Primary malignant granular cell tumor
  • Primary malignant neoplasm of blood vessel
  • Primary malignant neoplasm of muscle
  • Primary malignant neoplasm of soft tissues
  • Primary myxofibrosarcoma
  • Primary spindle cell rhabdomyosarcoma
  • Primary synovial sarcoma of soft tissue of limb
  • Rhabdomyosarcoma
  • Sarcoma
  • Sarcoma of bone and connective tissue
  • Sarcoma of connective tissue
  • Sarcoma of soft tissue
  • Sclerosing liposarcoma
  • Skin tumor of smooth muscle origin
  • Skin tumor of smooth muscle origin
  • Spindle cell liposarcoma
  • Spindle cell rhabdomyosarcoma
  • Superficial malignant fibrous histiocytoma of skin
  • Surgical margin involved by sarcoma
  • Surgical margin involvement by sarcoma cannot be assessed
  • Surgical margin uninvolved by sarcoma
  • Synovial sarcoma
  • Vaccine-induced fibrosarcoma

Diagnostic Related Group(s)

The code C49.9 is grouped in the following Diagnostic Related Group(s) (MS-DRG v39.0)
  • Pathological Fractures And Musculoskeletal And Connective Tissue Malignancy With Mcc (542)
  • Pathological Fractures And Musculoskeletal And Connective Tissue Malignancy With Cc (543)
  • Pathological Fractures And Musculoskeletal And Connective Tissue Malignancy Without Cc/mcc (544)

Crosswalk Information

ICD-10 Code ICD-9 Code ICD-9 Description
C49.9 Right Arrow 171.9 Mal neo soft tissue NOS

This ICD-10 to ICD-9 data is based on the 2018 General Equivalency Mapping (GEM) files published by the Centers for Medicare & Medicaid Services (CMS) for informational purposes only. The data is not an ICD-10 conversion tool and doesn’t guarantee clinical accuracy.

Similar Codes

ICD-10 Code ICD-10 Description
C49 Malignant neoplasm of other connective and soft tissue
C49.0 Malignant neoplasm of connective and soft tissue of head, face and neck
C49.1 Malignant neoplasm of connective and soft tissue of upper limb, including shoulder
C49.10 Malignant neoplasm of connective and soft tissue of unspecified upper limb, including shoulder
C49.11 Malignant neoplasm of connective and soft tissue of right upper limb, including shoulder
C49.12 Malignant neoplasm of connective and soft tissue of left upper limb, including shoulder
C49.2 Malignant neoplasm of connective and soft tissue of lower limb, including hip
C49.20 Malignant neoplasm of connective and soft tissue of unspecified lower limb, including hip
C49.21 Malignant neoplasm of connective and soft tissue of right lower limb, including hip
C49.22 Malignant neoplasm of connective and soft tissue of left lower limb, including hip
C49.3 Malignant neoplasm of connective and soft tissue of thorax
C49.4 Malignant neoplasm of connective and soft tissue of abdomen
C49.5 Malignant neoplasm of connective and soft tissue of pelvis
C49.6 Malignant neoplasm of connective and soft tissue of trunk, unspecified
C49.8 Malignant neoplasm of overlapping sites of connective and soft tissue
C49.A Gastrointestinal stromal tumor
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


This page was last updated on: 10/1/2023