Common ICD-10 CM Codes for Primary Care

D50-D89: Diseases of the blood and blood-forming organs and certain disorders involving the immune mechanism

E00-E89: Endocrine, nutritional and metabolic diseases

F01-F99: Mental, Behavioral and Neurodevelopmental disorders

G00-G99: Diseases of the nervous system

H60-H95: Diseases of the ear and mastoid process

I00-I99: Diseases of the circulatory system

J00-J99: Diseases of the respiratory system

K00-K95: Diseases of the digestive system

L00-L99: Diseases of the skin and subcutaneous tissue

M00-M99: Diseases of the musculoskeletal system and connective tissue

N00-N99: Diseases of the genitourinary system

R00-R99: Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified

Z00-Z99: Factors influencing health status and contact with health services

Common ICD-10 Codes Primary-care

D60-D64: Aplastic and other anemias and other bone marrow failure syndromes

E00-E07: Disorders of thyroid gland

E70-E88: Metabolic disorders

E08-E13: Diabetes mellitus

F40-F48: Anxiety, dissociative, stress-related, somatoform and other nonpsychotic mental disorders

F30-F39: Mood [affective] disorders

G89-G99: Other disorders of the nervous system

H60-H62: Diseases of external ear

I30-I52: Other forms of heart disease

I10-I15: Hypertensive diseases

J09-J18: Influenza and pneumonia

J20-J22: Other acute lower respiratory infections

J30-J39: Other diseases of upper respiratory tract

J00-J06: Acute upper respiratory infections

J40-J47: Chronic lower respiratory diseases

K55-K64: Other diseases of intestines

K20-K31: Diseases of esophagus, stomach and duodenum

L20-L30: Dermatitis and eczema

L00-L08: Infections of the skin and subcutaneous tissue

M50-M54: Other dorsopathies

M20-M25: Other joint disorders

M70-M79: Other soft tissue disorders

N10-N16: Renal tubulo-interstitial diseases

N30-N39: Other diseases of the urinary system

R50-R69: General symptoms and signs

R40-R46: Symptoms and signs involving cognition, perception, emotional state and behavior

R20-R23: Symptoms and signs involving the skin and subcutaneous tissue

R10-R19: Symptoms and signs involving the digestive system and abdomen

R00-R09: Symptoms and signs involving the circulatory and respiratory systems

R30-R39: Symptoms and signs involving the genitourinary system

Z77-Z99: Persons with potential health hazards related to family and personal history and certain conditions influencing health status

Z20-Z28: Persons with potential health hazards related to communicable diseases

Z69-Z76: Persons encountering health services in other circumstances

Z00-Z13: Persons encountering health services for examinations

Z55-Z65: Persons with potential health hazards related to socioeconomic and psychosocial circumstances