AutoICD API

C49.9

Billable

Malignant neoplasm of connective and soft tissue, unsp

Malignant neoplasm of connective and soft tissue, unspecified

Status

Billable / Specific

Block

C45-C49

Parent Code

C49

ICD-11 Mapping

1 equivalent

Coding Notes

Includes

Conditions included under this code

  • 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)

Excludes 1

Codes that cannot be used together with this code (mutual exclusion)

Related Codes(9)
ICD-11 Equivalents(1)
Also Known As / Clinical Terms(349)

SNOMED CT

Clinical Terms

  • Primary fibrosarcoma of connective tissue
  • Malignant tumour of muscle
  • Primary alveolar soft part sarcoma
  • Malignant melanoma of soft tissues
  • Primary malignant synovioma
  • Malignant neoplasm of blood vessel
  • Malignant infantile fibrosarcoma
  • Primary Ewing sarcoma of soft tissue
  • Secondary sarcoma of retroperitoneum
  • Primary myxofibrosarcoma
  • Primary malignant neoplasm of muscle
  • Epithelioid myxofibrosarcoma
  • Rhabdomyosarcoma
  • Metastatic malignant infantile fibrosarcoma
  • Metastatic rhabdosarcoma
  • Primary malignant neoplasm of blood vessel
  • Metastatic malignant synovioma
  • Spindle cell synovial sarcoma
  • Malignant phosphaturic mesenchymal tumour
  • Metastatic spindle cell rhabdomyosarcoma
  • Ewing sarcoma of soft tissue
  • Botryoid rhabdomyosarcoma
  • Ewing's sarcoma of soft tissue
  • Haemangioendothelioma
  • Infantile fibrosarcoma
  • Myxoid liposarcoma
  • Anaplastic embryonal rhabdomyosarcoma
  • Metastatic rhabdomyosarcoma
  • Myxoid pleomorphic liposarcoma
  • Metastatic embryonal rhabdomyosarcoma
  • Malignant lipomatous tumour
  • Malignant fibrous histiocytoma of skin
  • Large cell epithelioid sarcoma
  • Sarcoma of connective tissue
  • Extraskeletal myxoid chondrosarcoma
  • Intergroup rhabdomyosarcoma study post-surgical clinical group IIIA: Localised or locally extensive tumour, gross residual disease after biopsy only
  • Primary Ewing's sarcoma of soft tissue
  • Undifferentiated sarcoma
  • Primary sarcoma botryoides
  • Intergroup rhabdomyosarcoma study post-surgical clinical group IIIB: Localized or locally extensive tumor, gross residual disease after major resection (greater than 50 percent debulking)
  • Lipoma-like liposarcoma
  • Malignant ossifying fibromyxoid tumor
  • Well differentiated liposarcoma
  • Malignant granular cell tumor
  • Metastatic fibrosarcoma
  • Primary epithelioid sarcoma
  • Malignant neoplasm of dermis
  • Sclerosing epithelioid fibrosarcoma
  • Biphasic synovial sarcoma
  • 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
  • Intergroup rhabdomyosarcoma study post-surgical clinical group IV: Any size primary tumour, with or without regional lymph node involvement, with distant metastases, without respect to surgical approach to primary tumour
  • Synovial sarcoma
  • Alveolar soft part sarcoma
  • Inflammatory liposarcoma
  • Cancer of muscle
  • Dedifferentiated liposarcoma
  • Intergroup rhabdomyosarcoma study post-surgical clinical group IIIB: Localized or locally extensive tumor, gross residual disease after major resection (greater than 50% debulking)
  • Malignant solitary fibrous tumor
  • Metastatic sarcoma to retroperitoneum
  • Sarcoma
  • Surgical margin involved by sarcoma
  • Primary synovial sarcoma
  • Malignant tumour of fibrous tissue
  • Intergroup rhabdomyosarcoma study post-surgical clinical group IIIB: Localised or locally extensive tumour, gross residual disease after major resection (greater than 50 percent debulking)
  • Sarcoma botryoides
  • Pleomorphic rhabdomyosarcoma
  • Epithelioid hemangioendothelioma
  • Undifferentiated spindle cell sarcoma
  • Embryonal rhabdomyosarcoma
  • Malignant neoplasm of fibrous tissue
  • Primary epithelioid hemangioendothelioma
  • Metastatic synovial sarcoma
  • Malignant tumour of soft tissue
  • Surgical margin involvement by sarcoma cannot be assessed
  • Myxoid leiomyosarcoma of skin
  • Lymphangiosarcoma
  • Epithelioid leiomyosarcoma of skin
  • Leiomyosarcoma
  • Malignant neoplasm of subcutaneous fibrous tissue
  • Malignant tumor of dermis
  • Myxoinflammatory fibroblastic sarcoma
  • Malignant synovioma
  • Leiomyosarcoma of connective tissue
  • Intravascular angiosarcoma
  • Surgical margin uninvolved by sarcoma
  • Alveolar rhabdomyosarcoma
  • Malignant tumor of muscle
  • Giant cell malignant fibrous histiocytoma of skin
  • Intimal sarcoma
  • Malignant phosphaturic mesenchymal tumor
  • Desmoplastic small round cell tumour
  • Clear cell sarcoma
  • Malignant fibromatous neoplasm
  • Myxoid malignant fibrous histiocytoma of skin
  • Malignant tenosynovial giant cell tumor
  • Low grade myofibroblastic sarcoma
  • Skin tumor of smooth muscle origin
  • Primary synovial sarcoma of soft tissue of limb
  • Sarcoma of bone and connective tissue
  • Metastatic spindle cell rhabdosarcoma
  • Low-grade fibromyxoid sarcoma
  • Malignant neoplasm of connective tissue
  • Primary malignant granular cell tumor
  • Local recurrence of malignant neoplasm of soft tissue
  • Ectomesenchymoma
  • DSRCT - desmoplastic small round cell tumor
  • Malignant tumor of fibrous tissue
  • Liposarcoma of connective tissue
  • DSRCT - desmoplastic small round cell tumour
  • Local recurrence of malignant tumor of soft tissue
  • Liposarcoma
  • Local recurrence of malignant tumour of soft tissue
  • Malignant tumour of dermis
  • Extraskeletal osteosarcoma
  • Primary liposarcoma of soft tissue of limb
  • Intergroup rhabdomyosarcoma study post-surgical clinical group IIIA: Localized or locally extensive tumor, gross residual disease after biopsy only
  • Undifferentiated round cell sarcoma
  • Fibrosarcoma
  • Poorly differentiated synovial sarcoma
  • Desmoplastic small round cell tumor
  • Skin tumour of smooth muscle origin
  • Primary malignant fibrous histiocytoma
  • Pleomorphic liposarcoma
  • Adipocytic liposarcoma
  • Malignant fibrous histiocytoma
  • Fibrosarcoma of connective tissue
  • Malignant tumor of soft tissue
  • Primary botryoid rhabdomyosarcoma
  • Metastatic pleomorphic rhabdomyosarcoma
  • Malignant solitary fibrous tumour
  • Pleomorphic malignant fibrous histiocytoma of skin
  • Primary malignant granular cell tumour
  • Spindle cell liposarcoma
  • Intergroup rhabdomyosarcoma study post-surgical clinical group finding
  • Rhabdosarcoma
  • Vaccine-induced fibrosarcoma
  • Epithelioid liposarcoma
  • Cutaneous leiomyosarcoma with granular cell change
  • Primary malignant neoplasm of soft tissues
  • Spindle cell rhabdomyosarcoma
  • Malignant ossifying fibromyxoid tumour
  • Classic epithelioid sarcoma
  • Undifferentiated pleomorphic sarcoma
  • Extraskeletal myxoid chondrosarcoma of soft tissue of limb
  • Malignant neoplasm of soft tissue
  • Inflammatory malignant fibrous histiocytoma of skin
  • Sclerosing liposarcoma
  • Epithelioid sarcoma
  • Intergroup rhabdomyosarcoma study post-surgical clinical group IIIB: Localised or locally extensive tumour, gross residual disease after major resection (greater than 50% debulking)
  • Epithelioid haemangioendothelioma
  • Chondroid sarcoma
  • Metastatic myxofibrosarcoma
  • Malignant neoplasm of bone, connective tissue, skin and breast
  • Hemangioendothelioma
  • Malignant neoplasm of muscle
  • Myxofibrosarcoma of skin
  • Primary spindle cell rhabdomyosarcoma
  • Malignant granular cell tumour
  • Cutaneous leiomyosarcoma
  • Angiosarcoma
  • Primary epithelioid haemangioendothelioma
  • Superficial malignant fibrous histiocytoma of skin
  • Primary leiomyosarcoma
  • Sarcoma of soft tissue
  • Metastatic infantile fibrosarcoma
  • Malignant lipomatous tumor
  • Primary extraskeletal osteosarcoma
  • Rhabdomyosarcoma with ganglionic differentiation
  • Primary desmoplastic small round cell tumor
  • Proximal epithelioid sarcoma
  • Primary desmoplastic small round cell tumour
  • Metastatic sarcoma of retroperitoneum
  • Malignant tenosynovial giant cell tumour
Frequently Asked Questions
What is the ICD-10 code for malignant neoplasm of connective and soft tissue, unsp?

The ICD-10-CM code for malignant neoplasm of connective and soft tissue, unsp is C49.9. The full clinical description is "Malignant neoplasm of connective and soft tissue, unspecified". C49.9 is a billable/specific code that can be used on insurance claims and medical billing.

What does ICD-10 code C49.9 mean?

ICD-10-CM code C49.9 represents “Malignant neoplasm of connective and soft tissue, unspecified”. It is classified under Chapter 2: Neoplasms and is a billable/specific code that can be used on a claim.

Is C49.9 a billable code?

Yes, C49.9 is a billable/specific ICD-10-CM code and can be used to indicate a diagnosis on a medical claim.

What chapter is C49.9 in?

C49.9 is in Chapter 2: Neoplasms (codes C00-D49).

What codes cannot be used with C49.9?

C49.9 has Excludes1 notes indicating codes that cannot be used together with it, including: malignant neoplasm of cartilage (of):; articular (C40-C41); larynx (C32.3); and 2 more.

What SNOMED CT codes does C49.9 map to?

C49.9 maps to 122 SNOMED CT concepts: 404067008, 404053004, 404056007, 1290888000, 403977003, and 117 more. SNOMED CT is a clinical terminology used in electronic health records.

What are the UMLS CUIs for C49.9?

C49.9 is linked to 1 UMLS Concept Unique Identifier: C0348362. The UMLS (Unified Medical Language System) integrates multiple biomedical vocabularies maintained by the U.S. National Library of Medicine.

How does C49.9 relate to ICF functioning codes?

ICF (International Classification of Functioning, Disability and Health) codes describe how conditions like malignant neoplasm of connective and soft tissue, unsp affect a person's functioning — body functions, activities, participation, and environmental factors. AutoICD provides ICF Core Sets for 12+ conditions and can map clinical text to ICF categories automatically. Browse the ICF directory to explore functioning codes.

What is the ICD-11 equivalent of C49.9?

C49.9 maps to the ICD-11 code: 2B5K (Unspecified malignant soft tissue tumours or sarcomas of bone or articular cartilage of other or unspecified sites).

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Includes SNOMED Clinical Terms® (SNOMED CT®) used by permission of SNOMED International. Includes content from the UMLS Metathesaurus, courtesy of the U.S. National Library of Medicine.