Malig neoplm of conn and soft tissue of head, face and neck

Malignant neoplasm of connective and soft tissue of head, face and neck

📋Clinical Description

This code signifies a primary cancerous tumor originating in the connective or soft tissues (e.g., muscle, fat, fibrous tissue, blood vessels, nerves) located in the head, face, or neck region. This includes various sarcomas and other malignant mesenchymal neoplasms within these anatomical areas.

🎯When to Use

Assign this code for documented primary malignant neoplasms affecting the soft tissues of the head, face, or neck, such as rhabdomyosarcoma of the neck or liposarcoma of the scalp. Documentation should clearly specify the malignant nature of the tumor and its origin within the connective or soft tissues of the specified anatomical sites.

💡Coding Tips

Differentiate from malignant neoplasms of bone (C40-C41) or skin (C44) in the same regions.
Do not use for secondary or metastatic lesions; use appropriate secondary malignancy codes.
Ensure the documentation specifies "connective and soft tissue" to avoid confusion with other tissue types.

AI-generated reference — verify against official guidelines

Clinical Notes

Inclusion Terms

Malignant neoplasm of connective tissue of ear
Malignant neoplasm of connective tissue of eyelid

Excludes 1 — Not coded here

connective tissue of orbit (C69.6-)

Code Hierarchy

▲C49Malignant neoplasm of other connective and soft tissue

C49.0(current)

Crosswalks

171.0ApproxICD-9 171.0ApproxICD-9

Same Category

C49Malignant neoplasm of other connective and soft tissue C49.1Malig neoplm of conn and soft tiss of upper limb, inc shldr C49.10Malig neoplm of conn & soft tiss of unsp upr lmb, inc shldr C49.11