C45-C49
Malignant neoplasms of mesothelial and soft tissue
Codes in this block
63 codes
Billableusable codeNon-billableheader / grouping codeRisk-adjusting
- C45MesotheliomaNon-billable
- C45.0Mesothelioma of pleuraBillable
- C45.1Mesothelioma of peritoneumBillable
- C45.2Mesothelioma of pericardiumBillable
- C45.7Mesothelioma of other sitesBillable
- C45.9Mesothelioma, unspecifiedBillable
- C46Kaposi's sarcomaNon-billable
- C46.0Kaposi's sarcoma of skinBillable
- C46.1Kaposi's sarcoma of soft tissueBillable
- C46.2Kaposi's sarcoma of palateBillable
- C46.3Kaposi's sarcoma of lymph nodesBillable
- C46.4Kaposi's sarcoma of gastrointestinal sitesBillable
- C46.5Kaposi's sarcoma of lungNon-billable
- C46.50Kaposi's sarcoma of unspecified lungBillable
- C46.51Kaposi's sarcoma of right lungBillable
- C46.52Kaposi's sarcoma of left lungBillable
- C46.7Kaposi's sarcoma of other sitesBillable
- C46.9Kaposi's sarcoma, unspecifiedBillable
- C47Malignant neoplasm of peripheral nerves and autonomic nervous systemNon-billable
- C47.0Malignant neoplasm of peripheral nerves of head, face and neckBillable
- C47.1Malignant neoplasm of peripheral nerves of upper limb, including shoulderNon-billable
- C47.10Malignant neoplasm of peripheral nerves of unspecified upper limb, including shoulderBillable
- C47.11Malignant neoplasm of peripheral nerves of right upper limb, including shoulderBillable
- C47.12Malignant neoplasm of peripheral nerves of left upper limb, including shoulderBillable
- C47.2Malignant neoplasm of peripheral nerves of lower limb, including hipNon-billable
- C47.20Malignant neoplasm of peripheral nerves of unspecified lower limb, including hipBillable
- C47.21Malignant neoplasm of peripheral nerves of right lower limb, including hipBillable
- C47.22Malignant neoplasm of peripheral nerves of left lower limb, including hipBillable
- C47.3Malignant neoplasm of peripheral nerves of thoraxBillable
- C47.4Malignant neoplasm of peripheral nerves of abdomenBillable
- C47.5Malignant neoplasm of peripheral nerves of pelvisBillable
- C47.6Malignant neoplasm of peripheral nerves of trunk, unspecifiedBillable
- C47.8Malignant neoplasm of overlapping sites of peripheral nerves and autonomic nervous systemBillable
- C47.9Malignant neoplasm of peripheral nerves and autonomic nervous system, unspecifiedBillable
- C48Malignant neoplasm of retroperitoneum and peritoneumNon-billable
- C48.0Malignant neoplasm of retroperitoneumBillable
- C48.1Malignant neoplasm of specified parts of peritoneumBillable
- C48.2Malignant neoplasm of peritoneum, unspecifiedBillable
- C48.8Malignant neoplasm of overlapping sites of retroperitoneum and peritoneumBillable
- C49Malignant neoplasm of other connective and soft tissueNon-billable
- C49.0Malignant neoplasm of connective and soft tissue of head, face and neckBillable
- C49.1Malignant neoplasm of connective and soft tissue of upper limb, including shoulderNon-billable
- C49.10Malignant neoplasm of connective and soft tissue of unspecified upper limb, including shoulderBillable
- C49.11Malignant neoplasm of connective and soft tissue of right upper limb, including shoulderBillable
- C49.12Malignant neoplasm of connective and soft tissue of left upper limb, including shoulderBillable
- C49.2Malignant neoplasm of connective and soft tissue of lower limb, including hipNon-billable
- C49.20Malignant neoplasm of connective and soft tissue of unspecified lower limb, including hipBillable
- C49.21Malignant neoplasm of connective and soft tissue of right lower limb, including hipBillable
- C49.22Malignant neoplasm of connective and soft tissue of left lower limb, including hipBillable
- C49.3Malignant neoplasm of connective and soft tissue of thoraxBillable
- C49.4Malignant neoplasm of connective and soft tissue of abdomenBillable
- C49.5Malignant neoplasm of connective and soft tissue of pelvisBillable
- C49.6Malignant neoplasm of connective and soft tissue of trunk, unspecifiedBillable
- C49.8Malignant neoplasm of overlapping sites of connective and soft tissueBillable
- C49.9Malignant neoplasm of connective and soft tissue, unspecifiedBillable
- C49.AGastrointestinal stromal tumorNon-billable
- C49.A0Gastrointestinal stromal tumor, unspecified siteBillable
- C49.A1Gastrointestinal stromal tumor of esophagusBillable
- C49.A2Gastrointestinal stromal tumor of stomachBillable
- C49.A3Gastrointestinal stromal tumor of small intestineBillable
- C49.A4Gastrointestinal stromal tumor of large intestineBillable
- C49.A5Gastrointestinal stromal tumor of rectumBillable
- C49.A9Gastrointestinal stromal tumor of other sitesBillable
Official Guidelines for C45-C49
FY 2026 ›I.C.2Chapter-specific guidanceChapter 2: Neoplasms (C00-D49)
Subsections
- I.C.2.aAdmission/Encounter for treatment of primary site
- I.C.2.bAdmission/Encounter for treatment of secondary site
- I.C.2.cCoding and sequencing of complications
- I.C.2.dPrimary malignancy previously excised
- I.C.2.eAdmissions/Encounters involving antineoplastic chemotherapy, immunotherapy and radiation therapy
- I.C.2.fAdmission/encounter to determine extent of malignancy
- I.C.2.gSymptoms, signs, and abnormal findings listed in Chapter 18 associated with neoplasms
- I.C.2.hAdmission/encounter for pain control/management
- I.C.2.iMalignancy in two or more noncontiguous sites
- I.C.2.jDisseminated malignant neoplasm, unspecified
- I.C.2.kMalignant neoplasm without specification of site
- I.C.2.lSequencing of neoplasm codes
- I.C.2.mCurrent malignancy versus personal history of malignancy
- I.C.2.nLeukemia, Multiple Myeloma, and Malignant Plasma Cell
- I.C.2.oAftercare following surgery for neoplasm
- I.C.2.pFollow-up care for completed treatment of a malignancy
- I.C.2.qProphylactic organ removal for prevention of malignancy
- I.C.2.rMalignant neoplasm associated with transplanted organ
- I.C.2.sBreast Implant Associated Anaplastic Large Cell Lymphoma
- I.C.2.tSecondary malignant neoplasm of lymphoid tissue