| 8810/0 | Fibroma, NOS |
| 8810/1 | Cellular fibroma (C56.9) |
| 8810/3 | Fibrosarcoma, NOS |
| 8811/0 | Fibromyxoma |
| | Myxoid fibroma |
| | Myxofibroma, NOS |
| | Plexiform fibromyxoma |
| 8811/3 | Fibromyxosarcoma |
| | Soft Tissues: Low grade fibromyxoid sarcoma |
| 8812/0 | Periosteal fibroma (C40._, C41._) |
| 8812/3 | Periosteal fibrosarcoma (C40._, C41._) |
| | Periosteal sarcoma, NOS (C40._, C41._) |
| 8813/0 | Fascial fibroma |
| 8813/3 | Fascial fibrosarcoma |
| 8814/3 | Infantile fibrosarcoma |
| | Congenital fibrosarcoma |
| 8815/0 | Solitary fibrous tumor |
| | Localized fibrous tumor |
| 8815/3 | Solitary fibrous tumor, malignant |
| 8820/0 | Elastofibroma |
| | Soft Tissues: Elastofibroma |
| 8821/1 | Aggressive fibromatosis |
| | Soft Tissues: Desmoid-type fibromatosis |
| | Extra-abdominal desmoid |
| | Desmoid, NOS |
| | Invasive fibroma |
| 8822/1 | Abdominal fibromatosis |
| | Abdominal desmoid |
| | Mesenteric fibromatosis (C48.1) |
| | Retroperitoneal fibromatosis (C48.0) |
| 8823/0 | Desmoplastic fibroma |
| 8824/0 | Myofibroma |
| 8824/1 | Myofibromatosis |
| | Congenital generalized fibromatosis |
| | Infantile myofibromatosis |
| 8825/0 | Myofibroblastoma |
| 8825/1 | Myofibroblastic tumor, NOS |
| | Soft Tissues: Inflammatory myofibroblastic tumor |
| | Soft Tissues: Inflammatory myofibroblastic tumor with t(1;2)(q21;p23) TPM3/ALK |
| | Soft Tissues: Inflammatory myofibroblastic tumor with t(2;2)(p23;q13) EWSR1/PBX1 |
| | Soft Tissues: Inflammatory myofibroblastic tumor with t(2;11)(p23;p15) CARS/ALK |
| | Soft Tissues: Inflammatory myofibroblastic tumor with t(2;17)(p23;q23) CLTC/ALK |
| | Soft Tissues: Inflammatory myofibroblastic tumor with t(2;19)(p23;p13) TPM4/ALK |
| | Inflammatory myofibroblastic tumor |
| 8826/0 | Angiomyofibroblastoma |
| 8827/1 | Myofibroblastic tumor, peribronchial (C34._) |
| | Congenital peribronchial myofibroblastic tumor (C34._) |
| 8830/0 | Benign fibrous histiocytoma |
| | Fibrous histiocytoma, NOS |
| | Fibroxanthoma, NOS |
| | Xanthofibroma |
| 8830/1 | Atypical fibrous histiocytoma |
| | Atypical fibroxanthoma |
| 8830/3 | Malignant fibrous histiocytoma |
| | Fibroxanthoma, malignant |
| 8831/0 | Histiocytoma, NOS |
| | Deep histiocytoma |
| | Juvenile histiocytoma |
| | Reticulohistiocytoma |
| 8832/0 | Dermatofibroma, NOS (C44._) |
| | Skin: Cutaneous benign fibrous histiocytomas |
| | Cutaneous histiocytoma, NOS (C44._) |
| | Dermatofibroma lenticulare (C44._) |
| | Subepidermal nodular fibrosis (C44._) |
| | Sclerosing hemangioma (C44._) |
| 8832/3 | Dermatofibrosarcoma, NOS (C44._) |
| | Soft Tissues: Dermatofibrosarcoma Protuberans |
| | Dermatofibrosarcoma protuberans, NOS (C44._) |
| 8833/3 | Pigmented dermatofibrosarcoma protuberans (C44._) |
| | Bednar tumor (C44._) |
| 8834/1 | Giant cell fibroblastoma |
| 8835/1 | Plexiform fibrohistiocytic tumor |
| 8836/1 | Angiomatoid fibrous histiocytoma |
| | Soft Tissues: Angiomatoid fibrous histiocytoma |
| | Soft Tissues: Angiomatoid fibrous histiocytoma with t(2;22)(q34;q12) EWSR1/CREB1 |
| | Soft Tissues: Angiomatoid fibrous histiocytoma with t(12;22)(q13;q12) EWSR1/ATF1 |