D ICD-10-CM Categories: Category Index
Browse 85 top-level ICD-10-CM categories beginning with D, then follow their complete FY 2027 child-code hierarchies.
Complete category list
Categories beginning with D
Open a category to continue through its complete hierarchy of more specific codes.
D00Carcinoma in situ of oral cavity, esophagus and stomach
D01Carcinoma in situ of other and unspecified digestive organs
D02Carcinoma in situ of middle ear and respiratory system
D03Melanoma in situ
D04Carcinoma in situ of skin
D05Carcinoma in situ of breast
D06Carcinoma in situ of cervix uteri
D07Carcinoma in situ of other and unspecified genital organs
D09Carcinoma in situ of other and unspecified sites
D10Benign neoplasm of mouth and pharynx
D11Benign neoplasm of major salivary glands
D12Benign neoplasm of colon, rectum, anus and anal canal
D13Benign neoplasm of other and ill-defined parts of digestive system
D14Benign neoplasm of middle ear and respiratory system
D15Benign neoplasm of other and unspecified intrathoracic organs
D16Benign neoplasm of bone and articular cartilage
D17Benign lipomatous neoplasm
D18Hemangioma and lymphangioma, any site
D19Benign neoplasm of mesothelial tissue
D20Benign neoplasm of soft tissue of retroperitoneum and peritoneum
D21Other benign neoplasms of connective and other soft tissue
D22Melanocytic nevi
D23Other benign neoplasms of skin
D24Benign neoplasm of breast
D25Leiomyoma of uterus
D26Other benign neoplasms of uterus
D27Benign neoplasm of ovary
D28Benign neoplasm of other and unspecified female genital organs
D29Benign neoplasm of male genital organs
D30Benign neoplasm of urinary organs
D31Benign neoplasm of eye and adnexa
D32Benign neoplasm of meninges
D33Benign neoplasm of brain and other parts of central nervous system
D34Benign neoplasm of thyroid gland
D35Benign neoplasm of other and unspecified endocrine glands
D36Benign neoplasm of other and unspecified sites
D37Neoplasm of uncertain behavior of oral cavity and digestive organs
D38Neoplasm of uncertain behavior of middle ear and respiratory and intrathoracic organs
D39Neoplasm of uncertain behavior of female genital organs
D3ABenign neuroendocrine tumors
D40Neoplasm of uncertain behavior of male genital organs
D41Neoplasm of uncertain behavior of urinary organs
D42Neoplasm of uncertain behavior of meninges
D43Neoplasm of uncertain behavior of brain and central nervous system
D44Neoplasm of uncertain behavior of endocrine glands
D45Polycythemia vera
D46Myelodysplastic syndromes
D47Other neoplasms of uncertain behavior of lymphoid, hematopoietic and related tissue
D48Neoplasm of uncertain behavior of other and unspecified sites
D49Neoplasms of unspecified behavior
D50Iron deficiency anemia
D51Vitamin B12 deficiency anemia
D52Folate deficiency anemia
D53Other nutritional anemias
D55Anemia due to enzyme disorders
D56Thalassemia
D57Sickle-cell disorders
D58Other hereditary hemolytic anemias
D59Acquired hemolytic anemia
D60Acquired pure red cell aplasia [erythroblastopenia]
D61Other aplastic anemias and other bone marrow failure syndromes
D62Acute posthemorrhagic anemia
D63Anemia in chronic diseases classified elsewhere
D64Other anemias
D65Disseminated intravascular coagulation [defibrination syndrome]
D66Hereditary factor VIII deficiency
D67Hereditary factor IX deficiency
D68Other coagulation defects
D69Purpura and other hemorrhagic conditions
D70Neutropenia
D71Functional disorders of polymorphonuclear neutrophils
D72Other disorders of white blood cells
D73Diseases of spleen
D74Methemoglobinemia
D75Other and unspecified diseases of blood and blood-forming organs
D76Other specified diseases with participation of lymphoreticular and reticulohistiocytic tissue
D77Other disorders of blood and blood-forming organs in diseases classified elsewhere
D78Intraoperative and postprocedural complications of the spleen
D80Immunodeficiency with predominantly antibody defects
D81Combined immunodeficiencies
D82Immunodeficiency associated with other major defects
D83Common variable immunodeficiency
D84Other immunodeficiencies
D86Sarcoidosis
D89Other disorders involving the immune mechanism, not elsewhere classified
Transparency
Source and release
This category index is generated from Vero’s repository-backed ICD-10-CM hierarchy. Every listed category is a top-level record, and each linked category page exposes its direct child codes.
Review the CDC/NCHS ICD-10-CM sourceCategory navigation
Frequently asked questions
Which ICD-10-CM categories begin with D?
This index lists 85 top-level categories beginning with D from Vero’s FY 2027 U.S. ICD-10-CM reference dataset.
How do I find a more specific D code?
Open a category below, then follow its linked child-code hierarchy until you reach the code supported by the documentation.
Which ICD-10-CM release does this D index use?
The index uses the FY 2027 U.S. ICD-10-CM release and the repository-backed hierarchy displayed on each linked code page.
Is every D category billable?
No. These are top-level categories used for navigation. Follow the hierarchy to a sufficiently specific code and confirm the active code set, official guidance, and payer requirements.
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