ICD-10-CM diagnosis codes (FY2026)
- Chapter 1 (A00-B99): Certain infectious and parasitic diseases
- Chapter 2 (C00-D49): Neoplasms
- C00-C96 Malignant neoplasms:
- C00-C75 Malignant neoplasms, stated or presumed to be primary (of specified sites), and certain specified histologies, except neuroendocrine, and of lymphoid, hematopoietic and related tissue:
- C00-C14 Malignant neoplasms of lip, oral cavity and pharynx: C00 C01 C02 C03 C04 C05 C06 C07 C08 C09 C10 C11 C12 C13 C14
- C15-C26 Malignant neoplasms of digestive organs: C15 C16 C17 C18 C19 C20 C21 C22 C23 C24 C25 C26
- C30-C39 Malignant neoplasms of respiratory and intrathoracic organs: C30 C31 C32 C33 C34 C37 C38 C39
- C40-C41 Malignant neoplasms of bone and articular cartilage: C40 C41
- C43-C44 Melanoma and other malignant neoplasms of skin: C43 C4A C44
- C45-C49 Malignant neoplasms of mesothelial and soft tissue: C45 C46 C47 C48 C49
- C50 Malignant neoplasms of breast (C50): C50
- C51-C58 Malignant neoplasms of female genital organs: C51 C52 C53 C54 C55 C56 C57 C58
- C60-C63 Malignant neoplasms of male genital organs: C60 C61 C62 C63
- C64-C68 Malignant neoplasms of urinary tract: C64 C65 C66 C67 C68
- C69-C72 Malignant neoplasms of eye, brain and other parts of central nervous system: C69 C70 C71 C72
- C73-C75 Malignant neoplasms of thyroid and other endocrine glands: C73 C74 C75
- C7A Malignant neuroendocrine tumors (C7A): C7A
- C7B Secondary neuroendocrine tumors (C7B): C7B
- C76-C80 Malignant neoplasms of ill-defined, other secondary and unspecified sites: C76 C77 C78 C79 C80
- C81-C96 Malignant neoplasms of lymphoid, hematopoietic and related tissue: C81 C82 C83 C84 C85 C86 C88 C90 C91 C92 C93 C94 C95 C96
- D00-D09 In situ neoplasms: D00 D01 D02 D03 D04 D05 D06 D07 D09
- D10-D36 Benign neoplasms, except benign neuroendocrine tumors: D10 D11 D12 D13 D14 D15 D16 D17 D18 D19 D20 D21 D22 D23 D24 D25 D26 D27 D28 D29 D30 D31 D32 D33 D34 D35 D36
- D3A Benign neuroendocrine tumors (D3A): D3A
- D37-D48 Neoplasms of uncertain behavior, polycythemia vera and myelodysplastic syndromes: D37 D38 D39 D40 D41 D42 D43 D44 D45 D46 D47 D48
- D49 Neoplasms of unspecified behavior (D49): D49
- Chapter 3 (D50-D89): Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism
- D50-D53 Nutritional anemias: D50 D51 D52 D53
- D55-D59 Hemolytic anemias: D55 D56 D57 D58 D59
- D60-D64 Aplastic and other anemias and other bone marrow failure syndromes: D60 D61 D62 D63 D64
- D65-D69 Coagulation defects, purpura and other hemorrhagic conditions: D65 D66 D67 D68 D69
- D70-D77 Other disorders of blood and blood-forming organs: D70 D71 D72 D73 D74 D75 D76 D77
- D78 Intraoperative and postprocedural complications of the spleen (D78): D78
- D80-D89 Certain disorders involving the immune mechanism: D80 D81 D82 D83 D84 D86 D89
- Chapter 4 (E00-E89): Endocrine, nutritional and metabolic diseases
- Chapter 5 (F01-F99): Mental, Behavioral and Neurodevelopmental disorders
- Chapter 6 (G00-G99): Diseases of the nervous system
- Chapter 7 (H00-H59): Diseases of the eye and adnexa
- H00-H05 Disorders of eyelid, lacrimal system and orbit: H00 H01 H02 H04 H05
- H10-H11 Disorders of conjunctiva: H10 H11
- H15-H22 Disorders of sclera, cornea, iris and ciliary body: H15 H16 H17 H18 H20 H21 H22
- H25-H28 Disorders of lens: H25 H26 H27 H28
- H30-H36 Disorders of choroid and retina: H30 H31 H32 H33 H34 H35 H36
- H40-H42 Glaucoma: H40 H42
- H43-H44 Disorders of vitreous body and globe: H43 H44
- H46-H47 Disorders of optic nerve and visual pathways: H46 H47
- H49-H52 Disorders of ocular muscles, binocular movement, accommodation and refraction: H49 H50 H51 H52
- H53-H54 Visual disturbances and blindness: H53 H54
- H55-H57 Other disorders of eye and adnexa: H55 H57
- H59 Intraoperative and postprocedural complications and disorders of eye and adnexa, not elsewhere classified (H59): H59
- Chapter 8 (H60-H95): Diseases of the ear and mastoid process
- Chapter 9 (I00-I99): Diseases of the circulatory system
- Chapter 10 (J00-J99): Diseases of the respiratory system
- Chapter 11 (K00-K95): Diseases of the digestive system
- Chapter 12 (L00-L99): Diseases of the skin and subcutaneous tissue
- Chapter 13 (M00-M99): Diseases of the musculoskeletal system and connective tissue
- M00-M25 Arthropathies:
- M00-M02 Infectious arthropathies: M00 M01 M02
- M04 Autoinflammatory syndromes (M04): M04
- M05-M14 Inflammatory polyarthropathies: M05 M06 M07 M08 M1A M10 M11 M12 M13 M14
- M15-M19 Osteoarthritis: M15 M16 M17 M18 M19
- M20-M25 Other joint disorders: M20 M21 M22 M23 M24 M25
- M26-M27 Dentofacial anomalies [including malocclusion] and other disorders of jaw: M26 M27
- M30-M36 Systemic connective tissue disorders: M30 M31 M32 M33 M34 M35 M36
- M40-M54 Dorsopathies:
- M40-M43 Deforming dorsopathies: M40 M41 M42 M43
- M45-M49 Spondylopathies: M45 M46 M47 M48 M49
- M50-M54 Other dorsopathies: M50 M51 M53 M54
- M60-M79 Soft tissue disorders:
- M60-M63 Disorders of muscles: M60 M61 M62 M63
- M65-M67 Disorders of synovium and tendon: M65 M66 M67
- M70-M79 Other soft tissue disorders: M70 M71 M72 M75 M76 M77 M79
- M80-M94 Osteopathies and chondropathies:
- M80-M85 Disorders of bone density and structure: M80 M81 M83 M84 M85
- M86-M90 Other osteopathies: M86 M87 M88 M89 M90
- M91-M94 Chondropathies: M91 M92 M93 M94
- M95 Other disorders of the musculoskeletal system and connective tissue (M95): M95
- M96 Intraoperative and postprocedural complications and disorders of musculoskeletal system, not elsewhere classified (M96): M96
- M97 Periprosthetic fracture around internal prosthetic joint (M97): M97
- M99 Biomechanical lesions, not elsewhere classified (M99): M99
- Chapter 14 (N00-N99): Diseases of the genitourinary system
- Chapter 15 (O00-O9A): Pregnancy, childbirth and the puerperium
- Chapter 16 (P00-P96): Certain conditions originating in the perinatal period
- P00-P04 Newborn affected by maternal factors and by complications of pregnancy, labor, and delivery: P00 P01 P02 P03 P04
- P05-P08 Disorders of newborn related to length of gestation and fetal growth: P05 P07 P08
- P09 Abnormal findings on neonatal screening (P09): P09
- P10-P15 Birth trauma: P10 P11 P12 P13 P14 P15
- P19-P29 Respiratory and cardiovascular disorders specific to the perinatal period: P19 P22 P23 P24 P25 P26 P27 P28 P29
- P35-P39 Infections specific to the perinatal period: P35 P36 P37 P38 P39
- P50-P61 Hemorrhagic and hematological disorders of newborn: P50 P51 P52 P53 P54 P55 P56 P57 P58 P59 P60 P61
- P70-P74 Transitory endocrine and metabolic disorders specific to newborn: P70 P71 P72 P74
- P76-P78 Digestive system disorders of newborn: P76 P77 P78
- P80-P83 Conditions involving the integument and temperature regulation of newborn: P80 P81 P83
- P84 Other problems with newborn (P84): P84
- P90-P96 Other disorders originating in the perinatal period: P90 P91 P92 P93 P94 P95 P96
- Chapter 17 (Q00-QA0): Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders
- Chapter 18 (R00-R99): Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified
- Chapter 19 (S00-T88): Injury, poisoning and certain other consequences of external causes
- Chapter 20 (V00-Y99): External causes of morbidity
- Chapter 21 (Z00-Z99): Factors influencing health status and contact with health services
- Chapter 22 (U00-U85): Codes for special purposes
- U00-U49 Provisional assignment of new diseases of uncertain etiology or emergency use: U07 U09