ICD-10-CM code lookup
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A00–B99 Certain infectious and parasitic diseases
- A00-A09 Intestinal infectious diseases (A00-A09)
- A15-A19 Tuberculosis (A15-A19)
- A20-A28 Certain zoonotic bacterial diseases (A20-A28)
- A30-A49 Other bacterial diseases (A30-A49)
- A50-A64 Infections with a predominantly sexual mode of transmission (A50-A64)
- A65-A69 Other spirochetal diseases (A65-A69)
- A70-A74 Other diseases caused by chlamydiae (A70-A74)
- A75-A79 Rickettsioses (A75-A79)
- A80-A89 Viral and prion infections of the central nervous system (A80-A89)
- A90-A99 Arthropod-borne viral fevers and viral hemorrhagic fevers (A90-A99)
- B00-B09 Viral infections characterized by skin and mucous membrane lesions (B00-B09)
- B10 Other human herpesviruses (B10)
- B15-B19 Viral hepatitis (B15-B19)
- B20 Human immunodeficiency virus [HIV] disease (B20)
- B25-B34 Other viral diseases (B25-B34)
- B35-B49 Mycoses (B35-B49)
- B50-B64 Protozoal diseases (B50-B64)
- B65-B83 Helminthiases (B65-B83)
- B85-B89 Pediculosis, acariasis and other infestations (B85-B89)
- B90-B94 Sequelae of infectious and parasitic diseases (B90-B94)
- B95-B97 Bacterial and viral infectious agents (B95-B97)
- B99 Other infectious diseases (B99)
C00–D49 Neoplasms
- C00-C96 Malignant neoplasms (C00-C96)
- 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-C75)
- C00-C14 Malignant neoplasms of lip, oral cavity and pharynx (C00-C14)
- C15-C26 Malignant neoplasms of digestive organs (C15-C26)
- C30-C39 Malignant neoplasms of respiratory and intrathoracic organs (C30-C39)
- C40-C41 Malignant neoplasms of bone and articular cartilage (C40-C41)
- C43-C44 Melanoma and other malignant neoplasms of skin (C43-C44)
- C45-C49 Malignant neoplasms of mesothelial and soft tissue (C45-C49)
- C50 Malignant neoplasms of breast (C50)
- C51-C58 Malignant neoplasms of female genital organs (C51-C58)
- C60-C63 Malignant neoplasms of male genital organs (C60-C63)
- C64-C68 Malignant neoplasms of urinary tract (C64-C68)
- C69-C72 Malignant neoplasms of eye, brain and other parts of central nervous system (C69-C72)
- C73-C75 Malignant neoplasms of thyroid and other endocrine glands (C73-C75)
- C7A Malignant neuroendocrine tumors (C7A)
- C7B Secondary neuroendocrine tumors (C7B)
- C76-C80 Malignant neoplasms of ill-defined, other secondary and unspecified sites (C76-C80)
- C81-C96 Malignant neoplasms of lymphoid, hematopoietic and related tissue (C81-C96)
- D00-D09 In situ neoplasms (D00-D09)
- D10-D36 Benign neoplasms, except benign neuroendocrine tumors (D10-D36)
- D3A Benign neuroendocrine tumors (D3A)
- D37-D48 Neoplasms of uncertain behavior, polycythemia vera and myelodysplastic syndromes (D37-D48)
- D49 Neoplasms of unspecified behavior (D49)
D50–D89 Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism
- D50-D53 Nutritional anemias (D50-D53)
- D55-D59 Hemolytic anemias (D55-D59)
- D60-D64 Aplastic and other anemias and other bone marrow failure syndromes (D60-D64)
- D65-D69 Coagulation defects, purpura and other hemorrhagic conditions (D65-D69)
- D70-D77 Other disorders of blood and blood-forming organs (D70-D77)
- D78 Intraoperative and postprocedural complications of the spleen (D78)
- D80-D89 Certain disorders involving the immune mechanism (D80-D89)
E00–E89 Endocrine, nutritional and metabolic diseases
- E00-E07 Disorders of thyroid gland (E00-E07)
- E08-E13 Diabetes mellitus (E08-E13)
- E15-E16 Other disorders of glucose regulation and pancreatic internal secretion (E15-E16)
- E20-E35 Disorders of other endocrine glands (E20-E35)
- E36 Intraoperative complications of endocrine system (E36)
- E40-E46 Malnutrition (E40-E46)
- E50-E64 Other nutritional deficiencies (E50-E64)
- E65-E68 Overweight, obesity and other hyperalimentation (E65-E68)
- E70-E88 Metabolic disorders (E70-E88)
- E89 Postprocedural endocrine and metabolic complications and disorders, not elsewhere classified (E89)
F01–F99 Mental, Behavioral and Neurodevelopmental disorders
- F01-F09 Mental disorders due to known physiological conditions (F01-F09)
- F10-F19 Mental and behavioral disorders due to psychoactive substance use (F10-F19)
- F20-F29 Schizophrenia, schizotypal, delusional, and other non-mood psychotic disorders (F20-F29)
- F30-F39 Mood [affective] disorders (F30-F39)
- F40-F48 Anxiety, dissociative, stress-related, somatoform and other nonpsychotic mental disorders (F40-F48)
- F50-F59 Behavioral syndromes associated with physiological disturbances and physical factors (F50-F59)
- F60-F69 Disorders of adult personality and behavior (F60-F69)
- F70-F79 Intellectual Disabilities (F70-F79)
- F80-F89 Pervasive and specific developmental disorders (F80-F89)
- F90-F98 Behavioral and emotional disorders with onset usually occurring in childhood and adolescence (F90-F98)
- F99 Unspecified mental disorder (F99)
G00–G99 Diseases of the nervous system
- G00-G09 Inflammatory diseases of the central nervous system (G00-G09)
- G10-G14 Systemic atrophies primarily affecting the central nervous system (G10-G14)
- G20-G26 Extrapyramidal and movement disorders (G20-G26)
- G30-G32 Other degenerative diseases of the nervous system (G30-G32)
- G35-G37 Demyelinating diseases of the central nervous system (G35-G37)
- G40-G47 Episodic and paroxysmal disorders (G40-G47)
- G50-G59 Nerve, nerve root and plexus disorders (G50-G59)
- G60-G65 Polyneuropathies and other disorders of the peripheral nervous system (G60-G65)
- G70-G73 Diseases of myoneural junction and muscle (G70-G73)
- G80-G83 Cerebral palsy and other paralytic syndromes (G80-G83)
- G89-G99 Other disorders of the nervous system (G89-G99)
H00–H59 Diseases of the eye and adnexa
- H00-H05 Disorders of eyelid, lacrimal system and orbit (H00-H05)
- H10-H11 Disorders of conjunctiva (H10-H11)
- H15-H22 Disorders of sclera, cornea, iris and ciliary body (H15-H22)
- H25-H28 Disorders of lens (H25-H28)
- H30-H36 Disorders of choroid and retina (H30-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-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)
H60–H95 Diseases of the ear and mastoid process
I00–I99 Diseases of the circulatory system
- I00-I02 Acute rheumatic fever (I00-I02)
- I05-I09 Chronic rheumatic heart diseases (I05-I09)
- I10-I1A Hypertensive diseases (I10-I1A)
- I20-I25 Ischemic heart diseases (I20-I25)
- I26-I28 Pulmonary heart disease and diseases of pulmonary circulation (I26-I28)
- I30-I5A Other forms of heart disease (I30-I5A)
- I60-I69 Cerebrovascular diseases (I60-I69)
- I70-I79 Diseases of arteries, arterioles and capillaries (I70-I79)
- I80-I89 Diseases of veins, lymphatic vessels and lymph nodes, not elsewhere classified (I80-I89)
- I95-I99 Other and unspecified disorders of the circulatory system (I95-I99)
J00–J99 Diseases of the respiratory system
- J00-J06 Acute upper respiratory infections (J00-J06)
- J09-J18 Influenza and pneumonia (J09-J18)
- J20-J22 Other acute lower respiratory infections (J20-J22)
- J30-J39 Other diseases of upper respiratory tract (J30-J39)
- J40-J4B Chronic lower respiratory diseases (J40-J4B)
- J60-J70 Lung diseases due to external agents (J60-J70)
- J80-J84 Other respiratory diseases principally affecting the interstitium (J80-J84)
- J85-J86 Suppurative and necrotic conditions of the lower respiratory tract (J85-J86)
- J90-J94 Other diseases of the pleura (J90-J94)
- J95 Intraoperative and postprocedural complications and disorders of respiratory system, not elsewhere classified (J95)
- J96-J99 Other diseases of the respiratory system (J96-J99)
K00–K95 Diseases of the digestive system
- K00-K14 Diseases of oral cavity and salivary glands (K00-K14)
- K20-K31 Diseases of esophagus, stomach and duodenum (K20-K31)
- K35-K38 Diseases of appendix (K35-K38)
- K40-K46 Hernia (K40-K46)
- K50-K52 Noninfective enteritis and colitis (K50-K52)
- K55-K64 Other diseases of intestines (K55-K64)
- K65-K6A Diseases of peritoneum, retroperitoneum and pelvis (K65-K6A)
- K70-K77 Diseases of liver (K70-K77)
- K80-K87 Disorders of gallbladder, biliary tract and pancreas (K80-K87)
- K90-K95 Other diseases of the digestive system (K90-K95)
L00–L99 Diseases of the skin and subcutaneous tissue
- L00-L08 Infections of the skin and subcutaneous tissue (L00-L08)
- L10-L14 Bullous disorders (L10-L14)
- L20-L30 Dermatitis and eczema (L20-L30)
- L40-L45 Papulosquamous disorders (L40-L45)
- L49-L54 Urticaria and erythema (L49-L54)
- L55-L59 Radiation-related disorders of the skin and subcutaneous tissue (L55-L59)
- L60-L75 Disorders of skin appendages (L60-L75)
- L76 Intraoperative and postprocedural complications of skin and subcutaneous tissue (L76)
- L80-L99 Other disorders of the skin and subcutaneous tissue (L80-L99)
M00–M99 Diseases of the musculoskeletal system and connective tissue
- M00-M25 Arthropathies (M00-M25)
- M00-M02 Infectious arthropathies (M00-M02)
- M04 Autoinflammatory syndromes (M04)
- M05-M14 Inflammatory polyarthropathies (M05-M14)
- M15-M19 Osteoarthritis (M15-M19)
- M20-M25 Other joint disorders (M20-M25)
- M26-M27 Dentofacial anomalies [including malocclusion] and other disorders of jaw (M26-M27)
- M30-M36 Systemic connective tissue disorders (M30-M36)
- M40-M54 Dorsopathies (M40-M54)
- M40-M43 Deforming dorsopathies (M40-M43)
- M45-M49 Spondylopathies (M45-M49)
- M50-M54 Other dorsopathies (M50-M54)
- M60-M79 Soft tissue disorders (M60-M79)
- M60-M63 Disorders of muscles (M60-M63)
- M65-M67 Disorders of synovium and tendon (M65-M67)
- M70-M79 Other soft tissue disorders (M70-M79)
- M80-M94 Osteopathies and chondropathies (M80-M94)
- M80-M85 Disorders of bone density and structure (M80-M85)
- M86-M90 Other osteopathies (M86-M90)
- M91-M94 Chondropathies (M91-M94)
- M95 Other disorders of the musculoskeletal system and connective tissue (M95)
- M96 Intraoperative and postprocedural complications and disorders of musculoskeletal system, not elsewhere classified (M96)
- M97 Periprosthetic fracture around internal prosthetic joint (M97)
- M99 Biomechanical lesions, not elsewhere classified (M99)
N00–N99 Diseases of the genitourinary system
- N00-N08 Glomerular diseases (N00-N08)
- N10-N16 Renal tubulo-interstitial diseases (N10-N16)
- N17-N19 Acute kidney failure and chronic kidney disease (N17-N19)
- N20-N23 Urolithiasis (N20-N23)
- N25-N29 Other disorders of kidney and ureter (N25-N29)
- N30-N39 Other diseases of the urinary system (N30-N39)
- N40-N53 Diseases of male genital organs (N40-N53)
- N60-N65 Disorders of breast (N60-N65)
- N70-N77 Inflammatory diseases of female pelvic organs (N70-N77)
- N80-N98 Noninflammatory disorders of female genital tract (N80-N98)
- N99 Intraoperative and postprocedural complications and disorders of genitourinary system, not elsewhere classified (N99)
O00–O9A Pregnancy, childbirth and the puerperium (O00-O9A)
- O00-O08 Pregnancy with abortive outcome (O00-O08)
- O09 Supervision of high risk pregnancy (O09)
- O10-O16 Edema, proteinuria and hypertensive disorders in pregnancy, childbirth and the puerperium (O10-O16)
- O20-O29 Other maternal disorders predominantly related to pregnancy (O20-O29)
- O30-O48 Maternal care related to the fetus and amniotic cavity and possible delivery problems (O30-O48)
- O60-O77 Complications of labor and delivery (O60-O77)
- O80-O82 Encounter for delivery (O80-O82)
- O85-O92 Complications predominantly related to the puerperium (O85-O92)
- O94-O9A Other obstetric conditions, not elsewhere classified (O94-O9A)
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-P04)
- P05-P08 Disorders of newborn related to length of gestation and fetal growth (P05-P08)
- P09 Abnormal findings on neonatal screening (P09)
- P10-P15 Birth trauma (P10-P15)
- P19-P29 Respiratory and cardiovascular disorders specific to the perinatal period (P19-P29)
- P35-P39 Infections specific to the perinatal period (P35-P39)
- P50-P61 Hemorrhagic and hematological disorders of newborn (P50-P61)
- P70-P74 Transitory endocrine and metabolic disorders specific to newborn (P70-P74)
- P76-P78 Digestive system disorders of newborn (P76-P78)
- P80-P83 Conditions involving the integument and temperature regulation of newborn (P80-P83)
- P84 Other problems with newborn (P84)
- P90-P96 Other disorders originating in the perinatal period (P90-P96)
Q00–QA1 Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders (Q00-QA1)
- Q00-Q07 Congenital malformations of the nervous system (Q00-Q07)
- Q10-Q18 Congenital malformations of eye, ear, face and neck (Q10-Q18)
- Q20-Q28 Congenital malformations of the circulatory system (Q20-Q28)
- Q30-Q34 Congenital malformations of the respiratory system (Q30-Q34)
- Q35-Q37 Cleft lip and cleft palate (Q35-Q37)
- Q38-Q45 Other congenital malformations of the digestive system (Q38-Q45)
- Q50-Q56 Congenital malformations of genital organs (Q50-Q56)
- Q60-Q64 Congenital malformations of the urinary system (Q60-Q64)
- Q65-Q79 Congenital malformations and deformations of the musculoskeletal system (Q65-Q79)
- Q80-Q89 Other congenital malformations (Q80-Q89)
- Q90-Q99 Chromosomal abnormalities, not elsewhere classified (Q90-Q99)
- QA0-QA1 Genetic disorders, not elsewhere classified (QA0-QA1)
R00–R99 Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified
- R00-R09 Symptoms and signs involving the circulatory and respiratory systems (R00-R09)
- R10-R19 Symptoms and signs involving the digestive system and abdomen (R10-R19)
- R20-R23 Symptoms and signs involving the skin and subcutaneous tissue (R20-R23)
- R25-R29 Symptoms and signs involving the nervous and musculoskeletal systems (R25-R29)
- R30-R39 Symptoms and signs involving the genitourinary system (R30-R39)
- R40-R46 Symptoms and signs involving cognition, perception, emotional state and behavior (R40-R46)
- R47-R49 Symptoms and signs involving speech and voice (R47-R49)
- R50-R69 General symptoms and signs (R50-R69)
- R70-R79 Abnormal findings on examination of blood, without diagnosis (R70-R79)
- R80-R82 Abnormal findings on examination of urine, without diagnosis (R80-R82)
- R83-R89 Abnormal findings on examination of other body fluids, substances and tissues, without diagnosis (R83-R89)
- R90-R94 Abnormal findings on diagnostic imaging and in function studies, without diagnosis (R90-R94)
- R97 Abnormal tumor markers (R97)
- R99 Ill-defined and unknown cause of mortality (R99)
S00–T88 Injury, poisoning and certain other consequences of external causes
- S00-S09 Injuries to the head (S00-S09)
- S10-S19 Injuries to the neck (S10-S19)
- S20-S29 Injuries to the thorax (S20-S29)
- S30-S39 Injuries to the abdomen, lower back, lumbar spine, pelvis and external genitals (S30-S39)
- S40-S49 Injuries to the shoulder and upper arm (S40-S49)
- S50-S59 Injuries to the elbow and forearm (S50-S59)
- S60-S69 Injuries to the wrist, hand and fingers (S60-S69)
- S70-S79 Injuries to the hip and thigh (S70-S79)
- S80-S89 Injuries to the knee and lower leg (S80-S89)
- S90-S99 Injuries to the ankle and foot (S90-S99)
- T07-T88 Injury, poisoning and certain other consequences of external causes (T07-T88)
- T07 Injuries involving multiple body regions (T07)
- T14 Injury of unspecified body region (T14)
- T15-T19 Effects of foreign body entering through natural orifice (T15-T19)
- T20-T32 Burns and corrosions (T20-T32)
- T20-T25 Burns and corrosions of external body surface, specified by site (T20-T25)
- T26-T28 Burns and corrosions confined to eye and internal organs (T26-T28)
- T30-T32 Burns and corrosions of multiple and unspecified body regions (T30-T32)
- T33-T34 Frostbite (T33-T34)
- T36-T50 Poisoning by, adverse effects of and underdosing of drugs, medicaments and biological substances (T36-T50)
- T51-T65 Toxic effects of substances chiefly nonmedicinal as to source (T51-T65)
- T66-T78 Other and unspecified effects of external causes (T66-T78)
- T79 Certain early complications of trauma (T79)
- T80-T88 Complications of surgical and medical care, not elsewhere classified (T80-T88)
V00–Y99 External causes of morbidity
- V00-X58 Accidents (V00-X58)
- V00-V99 Transport accidents (V00-V99)
- V00-V09 Pedestrian injured in transport accident (V00-V09)
- V10-V19 Pedal cycle rider injured in transport accident (V10-V19)
- V20-V29 Motorcycle rider injured in transport accident (V20-V29)
- V30-V39 Occupant of three-wheeled motor vehicle injured in transport accident (V30-V39)
- V40-V49 Car occupant injured in transport accident (V40-V49)
- V50-V59 Occupant of pick-up truck or van injured in transport accident (V50-V59)
- V60-V69 Occupant of heavy transport vehicle injured in transport accident (V60-V69)
- V70-V79 Bus occupant injured in transport accident (V70-V79)
- V80-V89 Other land transport accidents (V80-V89)
- V90-V94 Water transport accidents (V90-V94)
- V95-V97 Air and space transport accidents (V95-V97)
- V98-V99 Other and unspecified transport accidents (V98-V99)
- W00-X58 Other external causes of accidental injury (W00-X58)
- W00-W19 Slipping, tripping, stumbling and falls (W00-W19)
- W20-W49 Exposure to inanimate mechanical forces (W20-W49)
- W50-W64 Exposure to animate mechanical forces (W50-W64)
- W65-W74 Accidental non-transport drowning and submersion (W65-W74)
- W85-W99 Exposure to electric current, radiation and extreme ambient air temperature and pressure (W85-W99)
- X00-X08 Exposure to smoke, fire and flames (X00-X08)
- X10-X19 Contact with heat and hot substances (X10-X19)
- X30-X39 Exposure to forces of nature (X30-X39)
- X50 Overexertion and strenuous or repetitive movements (X50)
- X52-X58 Accidental exposure to other specified factors (X52-X58)
- X71-X83 Intentional self-harm (X71-X83)
- X92-Y09 Assault (X92-Y09)
- Y21-Y33 Event of undetermined intent (Y21-Y33)
- Y35-Y38 Legal intervention, operations of war, military operations, and terrorism (Y35-Y38)
- Y62-Y84 Complications of medical and surgical care (Y62-Y84)
- Y62-Y69 Misadventures to patients during surgical and medical care (Y62-Y69)
- Y70-Y82 Medical devices associated with adverse incidents in diagnostic and therapeutic use (Y70-Y82)
- Y83-Y84 Surgical and other medical procedures as the cause of abnormal reaction of the patient, or of later complication, without mention of misadventure at the time of the procedure (Y83-Y84)
- Y90-Y99 Supplementary factors related to causes of morbidity classified elsewhere (Y90-Y99)
Z00–Z99 Factors influencing health status and contact with health services
- Z00-Z13 Persons encountering health services for examinations (Z00-Z13)
- Z14-Z15 Genetic carrier and genetic susceptibility to disease (Z14-Z15)
- Z16 Resistance to antimicrobial drugs (Z16)
- Z17 Estrogen, and other hormones and factors receptor status (Z17)
- Z18 Retained foreign body fragments (Z18)
- Z19 Hormone sensitivity malignancy status (Z19)
- Z20-Z29 Persons with potential health hazards related to communicable diseases (Z20-Z29)
- Z30-Z39 Persons encountering health services in circumstances related to reproduction (Z30-Z39)
- Z40-Z53 Encounters for other specific health care (Z40-Z53)
- Z55-Z65 Persons with potential health hazards related to socioeconomic and psychosocial circumstances (Z55-Z65)
- Z66 Do not resuscitate status (Z66)
- Z67 Blood type (Z67)
- Z68 Body mass index [BMI] (Z68)
- Z69-Z76 Persons encountering health services in other circumstances (Z69-Z76)
- Z77-Z99 Persons with potential health hazards related to family and personal history and certain conditions influencing health status (Z77-Z99)
U00–U85 Codes for special purposes
- U00-U49 Provisional assignment of new diseases of uncertain etiology or emergency use (U00-U49)
Source: ICD-10-CM FY 2027 code descriptions and tabular list (CMS and CDC National Center for Health Statistics), effective 2026-10-01 through 2027-09-30 · CMS ICD-10 files. HCC mapping: CMS-HCC V28, payment year 2027. As of 2026-11-04.
Coverage and payment depend on the claim details; confirm with the Medicare Administrative Contractor.