U.S. category index · FY 2027

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.

D00

Carcinoma in situ of oral cavity, esophagus and stomach

D01

Carcinoma in situ of other and unspecified digestive organs

D02

Carcinoma in situ of middle ear and respiratory system

D03

Melanoma in situ

D04

Carcinoma in situ of skin

D05

Carcinoma in situ of breast

D06

Carcinoma in situ of cervix uteri

D07

Carcinoma in situ of other and unspecified genital organs

D09

Carcinoma in situ of other and unspecified sites

D10

Benign neoplasm of mouth and pharynx

D11

Benign neoplasm of major salivary glands

D12

Benign neoplasm of colon, rectum, anus and anal canal

D13

Benign neoplasm of other and ill-defined parts of digestive system

D14

Benign neoplasm of middle ear and respiratory system

D15

Benign neoplasm of other and unspecified intrathoracic organs

D16

Benign neoplasm of bone and articular cartilage

D17

Benign lipomatous neoplasm

D18

Hemangioma and lymphangioma, any site

D19

Benign neoplasm of mesothelial tissue

D20

Benign neoplasm of soft tissue of retroperitoneum and peritoneum

D21

Other benign neoplasms of connective and other soft tissue

D22

Melanocytic nevi

D23

Other benign neoplasms of skin

D24

Benign neoplasm of breast

D25

Leiomyoma of uterus

D26

Other benign neoplasms of uterus

D27

Benign neoplasm of ovary

D28

Benign neoplasm of other and unspecified female genital organs

D29

Benign neoplasm of male genital organs

D30

Benign neoplasm of urinary organs

D31

Benign neoplasm of eye and adnexa

D32

Benign neoplasm of meninges

D33

Benign neoplasm of brain and other parts of central nervous system

D34

Benign neoplasm of thyroid gland

D35

Benign neoplasm of other and unspecified endocrine glands

D36

Benign neoplasm of other and unspecified sites

D37

Neoplasm of uncertain behavior of oral cavity and digestive organs

D38

Neoplasm of uncertain behavior of middle ear and respiratory and intrathoracic organs

D39

Neoplasm of uncertain behavior of female genital organs

D3A

Benign neuroendocrine tumors

D40

Neoplasm of uncertain behavior of male genital organs

D41

Neoplasm of uncertain behavior of urinary organs

D42

Neoplasm of uncertain behavior of meninges

D43

Neoplasm of uncertain behavior of brain and central nervous system

D44

Neoplasm of uncertain behavior of endocrine glands

D45

Polycythemia vera

D46

Myelodysplastic syndromes

D47

Other neoplasms of uncertain behavior of lymphoid, hematopoietic and related tissue

D48

Neoplasm of uncertain behavior of other and unspecified sites

D49

Neoplasms of unspecified behavior

D50

Iron deficiency anemia

D51

Vitamin B12 deficiency anemia

D52

Folate deficiency anemia

D53

Other nutritional anemias

D55

Anemia due to enzyme disorders

D56

Thalassemia

D57

Sickle-cell disorders

D58

Other hereditary hemolytic anemias

D59

Acquired hemolytic anemia

D60

Acquired pure red cell aplasia [erythroblastopenia]

D61

Other aplastic anemias and other bone marrow failure syndromes

D62

Acute posthemorrhagic anemia

D63

Anemia in chronic diseases classified elsewhere

D64

Other anemias

D65

Disseminated intravascular coagulation [defibrination syndrome]

D66

Hereditary factor VIII deficiency

D67

Hereditary factor IX deficiency

D68

Other coagulation defects

D69

Purpura and other hemorrhagic conditions

D70

Neutropenia

D71

Functional disorders of polymorphonuclear neutrophils

D72

Other disorders of white blood cells

D73

Diseases of spleen

D74

Methemoglobinemia

D75

Other and unspecified diseases of blood and blood-forming organs

D76

Other specified diseases with participation of lymphoreticular and reticulohistiocytic tissue

D77

Other disorders of blood and blood-forming organs in diseases classified elsewhere

D78

Intraoperative and postprocedural complications of the spleen

D80

Immunodeficiency with predominantly antibody defects

D81

Combined immunodeficiencies

D82

Immunodeficiency associated with other major defects

D83

Common variable immunodeficiency

D84

Other immunodeficiencies

D86

Sarcoidosis

D89

Other disorders involving the immune mechanism, not elsewhere classified

Transparency

Source and release

Data release

U.S. ICD-10-CM · FY 2027

Effective date

Oct 1, 2026

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 source

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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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