ICD-10-CM › C
ICD-10-CM codes starting with C
1,542 codes, page 5 of 16. Every code ever valid for billing is listed, including those now retired.
| Code | Description | Status |
|---|---|---|
| C44.8 | Other and unspecified malignant neoplasm of overlapping sites of skin | Not billable |
| C44.80 | Unspecified malignant neoplasm of overlapping sites of skin | Valid |
| C44.81 | Basal cell carcinoma of overlapping sites of skin | Valid |
| C44.82 | Squamous cell carcinoma of overlapping sites of skin | Valid |
| C44.89 | Other specified malignant neoplasm of overlapping sites of skin | Valid |
| C44.9 | Other and unspecified malignant neoplasm of skin, unspecified | Not billable |
| C44.90 | Unspecified malignant neoplasm of skin, unspecified | Valid |
| C44.91 | Basal cell carcinoma of skin, unspecified | Valid |
| C44.92 | Squamous cell carcinoma of skin, unspecified | Valid |
| C44.99 | Other specified malignant neoplasm of skin, unspecified | Valid |
| C45 | Mesothelioma | Not billable |
| C45.0 | Mesothelioma of pleura | Valid |
| C45.1 | Mesothelioma of peritoneum | Valid |
| C45.2 | Mesothelioma of pericardium | Valid |
| C45.7 | Mesothelioma of other sites | Valid |
| C45.9 | Mesothelioma, unspecified | Valid |
| C46 | Kaposi's sarcoma | Not billable |
| C46.0 | Kaposi's sarcoma of skin | Valid |
| C46.1 | Kaposi's sarcoma of soft tissue | Valid |
| C46.2 | Kaposi's sarcoma of palate | Valid |
| C46.3 | Kaposi's sarcoma of lymph nodes | Valid |
| C46.4 | Kaposi's sarcoma of gastrointestinal sites | Valid |
| C46.5 | Kaposi's sarcoma of lung | Not billable |
| C46.50 | Kaposi's sarcoma of unspecified lung | Valid |
| C46.51 | Kaposi's sarcoma of right lung | Valid |
| C46.52 | Kaposi's sarcoma of left lung | Valid |
| C46.7 | Kaposi's sarcoma of other sites | Valid |
| C46.9 | Kaposi's sarcoma, unspecified | Valid |
| C47 | Malignant neoplasm of peripheral nerves and autonomic nervous system | Not billable |
| C47.0 | Malignant neoplasm of peripheral nerves of head, face and neck | Valid |
| C47.1 | Malignant neoplasm of peripheral nerves of upper limb, including shoulder | Not billable |
| C47.10 | Malignant neoplasm of peripheral nerves of unspecified upper limb, including shoulder | Valid |
| C47.11 | Malignant neoplasm of peripheral nerves of right upper limb, including shoulder | Valid |
| C47.12 | Malignant neoplasm of peripheral nerves of left upper limb, including shoulder | Valid |
| C47.2 | Malignant neoplasm of peripheral nerves of lower limb, including hip | Not billable |
| C47.20 | Malignant neoplasm of peripheral nerves of unspecified lower limb, including hip | Valid |
| C47.21 | Malignant neoplasm of peripheral nerves of right lower limb, including hip | Valid |
| C47.22 | Malignant neoplasm of peripheral nerves of left lower limb, including hip | Valid |
| C47.3 | Malignant neoplasm of peripheral nerves of thorax | Valid |
| C47.4 | Malignant neoplasm of peripheral nerves of abdomen | Valid |
| C47.5 | Malignant neoplasm of peripheral nerves of pelvis | Valid |
| C47.6 | Malignant neoplasm of peripheral nerves of trunk, unspecified | Valid |
| C47.8 | Malignant neoplasm of overlapping sites of peripheral nerves and autonomic nervous system | Valid |
| C47.9 | Malignant neoplasm of peripheral nerves and autonomic nervous system, unspecified | Valid |
| C48 | Malignant neoplasm of retroperitoneum and peritoneum | Not billable |
| C48.0 | Malignant neoplasm of retroperitoneum | Valid |
| C48.1 | Malignant neoplasm of specified parts of peritoneum | Valid |
| C48.2 | Malignant neoplasm of peritoneum, unspecified | Valid |
| C48.8 | Malignant neoplasm of overlapping sites of retroperitoneum and peritoneum | Valid |
| C49 | Malignant neoplasm of other connective and soft tissue | Not billable |
| C49.0 | Malignant neoplasm of connective and soft tissue of head, face and neck | Valid |
| C49.1 | Malignant neoplasm of connective and soft tissue of upper limb, including shoulder | Not billable |
| C49.10 | Malignant neoplasm of connective and soft tissue of unspecified upper limb, including shoulder | Valid |
| C49.11 | Malignant neoplasm of connective and soft tissue of right upper limb, including shoulder | Valid |
| C49.12 | Malignant neoplasm of connective and soft tissue of left upper limb, including shoulder | Valid |
| C49.2 | Malignant neoplasm of connective and soft tissue of lower limb, including hip | Not billable |
| C49.20 | Malignant neoplasm of connective and soft tissue of unspecified lower limb, including hip | Valid |
| C49.21 | Malignant neoplasm of connective and soft tissue of right lower limb, including hip | Valid |
| C49.22 | Malignant neoplasm of connective and soft tissue of left lower limb, including hip | Valid |
| C49.3 | Malignant neoplasm of connective and soft tissue of thorax | Valid |
| C49.4 | Malignant neoplasm of connective and soft tissue of abdomen | Valid |
| C49.5 | Malignant neoplasm of connective and soft tissue of pelvis | Valid |
| C49.6 | Malignant neoplasm of connective and soft tissue of trunk, unspecified | Valid |
| C49.8 | Malignant neoplasm of overlapping sites of connective and soft tissue | Valid |
| C49.9 | Malignant neoplasm of connective and soft tissue, unspecified | Valid |
| C49.A | Gastrointestinal stromal tumor | Not billable |
| C49.A0 | Gastrointestinal stromal tumor, unspecified site | Valid |
| C49.A1 | Gastrointestinal stromal tumor of esophagus | Valid |
| C49.A2 | Gastrointestinal stromal tumor of stomach | Valid |
| C49.A3 | Gastrointestinal stromal tumor of small intestine | Valid |
| C49.A4 | Gastrointestinal stromal tumor of large intestine | Valid |
| C49.A5 | Gastrointestinal stromal tumor of rectum | Valid |
| C49.A9 | Gastrointestinal stromal tumor of other sites | Valid |
| C4A | Merkel cell carcinoma | Not billable |
| C4A.0 | Merkel cell carcinoma of lip | Valid |
| C4A.1 | Merkel cell carcinoma of eyelid, including canthus | Not billable |
| C4A.10 | Merkel cell carcinoma of unspecified eyelid, including canthus | Valid |
| C4A.11 | Merkel cell carcinoma of right eyelid, including canthus | Not billable |
| C4A.111 | Merkel cell carcinoma of right upper eyelid, including canthus | Valid |
| C4A.112 | Merkel cell carcinoma of right lower eyelid, including canthus | Valid |
| C4A.12 | Merkel cell carcinoma of left eyelid, including canthus | Not billable |
| C4A.121 | Merkel cell carcinoma of left upper eyelid, including canthus | Valid |
| C4A.122 | Merkel cell carcinoma of left lower eyelid, including canthus | Valid |
| C4A.2 | Merkel cell carcinoma of ear and external auricular canal | Not billable |
| C4A.20 | Merkel cell carcinoma of unspecified ear and external auricular canal | Valid |
| C4A.21 | Merkel cell carcinoma of right ear and external auricular canal | Valid |
| C4A.22 | Merkel cell carcinoma of left ear and external auricular canal | Valid |
| C4A.3 | Merkel cell carcinoma of other and unspecified parts of face | Not billable |
| C4A.30 | Merkel cell carcinoma of unspecified part of face | Valid |
| C4A.31 | Merkel cell carcinoma of nose | Valid |
| C4A.39 | Merkel cell carcinoma of other parts of face | Valid |
| C4A.4 | Merkel cell carcinoma of scalp and neck | Valid |
| C4A.5 | Merkel cell carcinoma of trunk | Not billable |
| C4A.51 | Merkel cell carcinoma of anal skin | Valid |
| C4A.52 | Merkel cell carcinoma of skin of breast | Valid |
| C4A.59 | Merkel cell carcinoma of other part of trunk | Valid |
| C4A.6 | Merkel cell carcinoma of upper limb, including shoulder | Not billable |
| C4A.60 | Merkel cell carcinoma of unspecified upper limb, including shoulder | Valid |
| C4A.61 | Merkel cell carcinoma of right upper limb, including shoulder | Valid |
| C4A.62 | Merkel cell carcinoma of left upper limb, including shoulder | Valid |