| D20 | Benign neoplasm of soft tissue of retroperitoneum and peritoneum |
| D20.0 | Benign neoplasm of soft tissue of retroperitoneum |
| D20.1 | Benign neoplasm of soft tissue of peritoneum |
| D21 | Other benign neoplasms of connective and other soft tissue |
| D21.0 | Benign neoplasm of connective and other soft tissue of head, face and neck |
| D21.1 | Benign neoplasm of connective and other soft tissue of upper limb, including shoulder |
| D21.10 | Benign neoplasm of connective and other soft tissue of unspecified upper limb, including shoulder |
| D21.11 | Benign neoplasm of connective and other soft tissue of right upper limb, including shoulder |
| D21.12 | Benign neoplasm of connective and other soft tissue of left upper limb, including shoulder |
| D21.2 | Benign neoplasm of connective and other soft tissue of lower limb, including hip |
| D21.20 | Benign neoplasm of connective and other soft tissue of unspecified lower limb, including hip |
| D21.21 | Benign neoplasm of connective and other soft tissue of right lower limb, including hip |
| D21.22 | Benign neoplasm of connective and other soft tissue of left lower limb, including hip |
| D21.3 | Benign neoplasm of connective and other soft tissue of thorax |
| D21.4 | Benign neoplasm of connective and other soft tissue of abdomen |
| D21.5 | Benign neoplasm of connective and other soft tissue of pelvis |
| D21.6 | Benign neoplasm of connective and other soft tissue of trunk, unspecified |
| D21.9 | Benign neoplasm of connective and other soft tissue, unspecified |
| D22 | Melanocytic nevi |
| D22.0 | Melanocytic nevi of lip |
| D22.1 | Melanocytic nevi of eyelid, including canthus |
| D22.10 | Melanocytic nevi of unspecified eyelid, including canthus |
| D22.11 | Melanocytic nevi of right eyelid, including canthus |
| D22.111 | Melanocytic nevi of right upper eyelid, including canthus |
| D22.112 | Melanocytic nevi of right lower eyelid, including canthus |
| D22.12 | Melanocytic nevi of left eyelid, including canthus |
| D22.121 | Melanocytic nevi of left upper eyelid, including canthus |
| D22.122 | Melanocytic nevi of left lower eyelid, including canthus |
| D22.2 | Melanocytic nevi of ear and external auricular canal |
| D22.20 | Melanocytic nevi of unspecified ear and external auricular canal |
| D22.21 | Melanocytic nevi of right ear and external auricular canal |
| D22.22 | Melanocytic nevi of left ear and external auricular canal |
| D22.3 | Melanocytic nevi of other and unspecified parts of face |
| D22.30 | Melanocytic nevi of unspecified part of face |
| D22.39 | Melanocytic nevi of other parts of face |
| D22.4 | Melanocytic nevi of scalp and neck |
| D22.5 | Melanocytic nevi of trunk |
| D22.6 | Melanocytic nevi of upper limb, including shoulder |
| D22.60 | Melanocytic nevi of unspecified upper limb, including shoulder |
| D22.61 | Melanocytic nevi of right upper limb, including shoulder |
| D22.62 | Melanocytic nevi of left upper limb, including shoulder |
| D22.7 | Melanocytic nevi of lower limb, including hip |
| D22.70 | Melanocytic nevi of unspecified lower limb, including hip |
| D22.71 | Melanocytic nevi of right lower limb, including hip |
| D22.72 | Melanocytic nevi of left lower limb, including hip |
| D22.9 | Melanocytic nevi, unspecified |
| D23 | Other benign neoplasms of skin |
| D23.0 | Other benign neoplasm of skin of lip |
| D23.1 | Other benign neoplasm of skin of eyelid, including canthus |
| D23.10 | Other benign neoplasm of skin of unspecified eyelid, including canthus |
| D23.11 | Other benign neoplasm of skin of right eyelid, including canthus |
| D23.111 | Other benign neoplasm of skin of right upper eyelid, including canthus |
| D23.112 | Other benign neoplasm of skin of right lower eyelid, including canthus |
| D23.12 | Other benign neoplasm of skin of left eyelid, including canthus |
| D23.121 | Other benign neoplasm of skin of left upper eyelid, including canthus |
| D23.122 | Other benign neoplasm of skin of left lower eyelid, including canthus |
| D23.2 | Other benign neoplasm of skin of ear and external auricular canal |
| D23.20 | Other benign neoplasm of skin of unspecified ear and external auricular canal |
| D23.21 | Other benign neoplasm of skin of right ear and external auricular canal |
| D23.22 | Other benign neoplasm of skin of left ear and external auricular canal |
| D23.3 | Other benign neoplasm of skin of other and unspecified parts of face |
| D23.30 | Other benign neoplasm of skin of unspecified part of face |
| D23.39 | Other benign neoplasm of skin of other parts of face |
| D23.4 | Other benign neoplasm of skin of scalp and neck |
| D23.5 | Other benign neoplasm of skin of trunk |
| D23.6 | Other benign neoplasm of skin of upper limb, including shoulder |
| D23.60 | Other benign neoplasm of skin of unspecified upper limb, including shoulder |
| D23.61 | Other benign neoplasm of skin of right upper limb, including shoulder |
| D23.62 | Other benign neoplasm of skin of left upper limb, including shoulder |
| D23.7 | Other benign neoplasm of skin of lower limb, including hip |
| D23.70 | Other benign neoplasm of skin of unspecified lower limb, including hip |
| D23.71 | Other benign neoplasm of skin of right lower limb, including hip |
| D23.72 | Other benign neoplasm of skin of left lower limb, including hip |
| D23.9 | Other benign neoplasm of skin, unspecified |
| D24 | Benign neoplasm of breast |
| D24.1 | Benign neoplasm of right breast |
| D24.2 | Benign neoplasm of left breast |
| D24.9 | Benign neoplasm of unspecified breast |
| D25 | Leiomyoma of uterus |
| D25.0 | Submucous leiomyoma of uterus |
| D25.1 | Intramural leiomyoma of uterus |
| D25.2 | Subserosal leiomyoma of uterus |
| D25.9 | Leiomyoma of uterus, unspecified |
| D26 | Other benign neoplasms of uterus |
| D26.0 | Other benign neoplasm of cervix uteri |
| D26.1 | Other benign neoplasm of corpus uteri |
| D26.7 | Other benign neoplasm of other parts of uterus |
| D26.9 | Other benign neoplasm of uterus, unspecified |
| D27 | Benign neoplasm of ovary |
| D27.0 | Benign neoplasm of right ovary |
| D27.1 | Benign neoplasm of left ovary |
| D27.9 | Benign neoplasm of unspecified ovary |
| D28 | Benign neoplasm of other and unspecified female genital organs |
| D28.0 | Benign neoplasm of vulva |
| D28.1 | Benign neoplasm of vagina |
| D28.2 | Benign neoplasm of uterine tubes and ligaments |
| D28.7 | Benign neoplasm of other specified female genital organs |
| D28.9 | Benign neoplasm of female genital organ, unspecified |
| D29 | Benign neoplasm of male genital organs |
| D29.0 | Benign neoplasm of penis |
| D29.1 | Benign neoplasm of prostate |
| D29.2 | Benign neoplasm of testis |
| D29.20 | Benign neoplasm of unspecified testis |
| D29.21 | Benign neoplasm of right testis |
| D29.22 | Benign neoplasm of left testis |
| D29.3 | Benign neoplasm of epididymis |
| D29.30 | Benign neoplasm of unspecified epididymis |
| D29.31 | Benign neoplasm of right epididymis |
| D29.32 | Benign neoplasm of left epididymis |
| D29.4 | Benign neoplasm of scrotum |
| D29.8 | Benign neoplasm of other specified male genital organs |
| D29.9 | Benign neoplasm of male genital organ, unspecified |