I00–I99: Diseases of the Circulatory System
Chapter 9 of ICD-10-CM 2027, 1,807 codes in 10 blocks.
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Chapter instructions
Excludes2: not included here, code separately if applicable
- certain conditions originating in the perinatal period (P04-P96)
- certain infectious and parasitic diseases (A00-B99)
- complications of pregnancy, childbirth and the puerperium (O00-O9A)
- congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
- endocrine, nutritional and metabolic diseases (E00-E88)
- injury, poisoning and certain other consequences of external causes (S00-T88)
- neoplasms (C00-D49)
- symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
- systemic connective tissue disorders (M30-M36)
- transient cerebral ischemic attacks and related syndromes (G45.-)
Codes in this chapter
All codesBillable only1,807 results
- I83.90Asymptomatic varicose veins of unspecified lower extremity
- I83.91Asymptomatic varicose veins of right lower extremity
- I83.92Asymptomatic varicose veins of left lower extremity
- I83.93Asymptomatic varicose veins of bilateral lower extremities
- I85Esophageal varices
- I85.0Esophageal varices
- I85.00Esophageal varices without bleeding
- I85.01Esophageal varices with bleeding
- I85.1Secondary esophageal varices
- I85.10Secondary esophageal varices without bleeding
- I85.11Secondary esophageal varices with bleeding
- I86Varicose veins of other sites
- I86.0Sublingual varices
- I86.1Scrotal varices
- I86.2Pelvic varices
- I86.3Vulval varices
- I86.4Gastric varices
- I86.8Varicose veins of other specified sites
- I87Other disorders of veins
- I87.0Postthrombotic syndrome
- I87.00Postthrombotic syndrome without complications
- I87.001Postthrombotic syndrome without complications of right lower extremity
- I87.002Postthrombotic syndrome without complications of left lower extremity
- I87.003Postthrombotic syndrome without complications of bilateral lower extremity
- I87.009Postthrombotic syndrome without complications of unspecified extremity
- I87.01Postthrombotic syndrome with ulcer
- I87.011Postthrombotic syndrome with ulcer of right lower extremity
- I87.012Postthrombotic syndrome with ulcer of left lower extremity
- I87.013Postthrombotic syndrome with ulcer of bilateral lower extremity
- I87.019Postthrombotic syndrome with ulcer of unspecified lower extremity
- I87.02Postthrombotic syndrome with inflammation
- I87.021Postthrombotic syndrome with inflammation of right lower extremity
- I87.022Postthrombotic syndrome with inflammation of left lower extremity
- I87.023Postthrombotic syndrome with inflammation of bilateral lower extremity
- I87.029Postthrombotic syndrome with inflammation of unspecified lower extremity
- I87.03Postthrombotic syndrome with ulcer and inflammation
- I87.031Postthrombotic syndrome with ulcer and inflammation of right lower extremity
- I87.032Postthrombotic syndrome with ulcer and inflammation of left lower extremity
- I87.033Postthrombotic syndrome with ulcer and inflammation of bilateral lower extremity
- I87.039Postthrombotic syndrome with ulcer and inflammation of unspecified lower extremity
- I87.09Postthrombotic syndrome with other complications
- I87.091Postthrombotic syndrome with other complications of right lower extremity
- I87.092Postthrombotic syndrome with other complications of left lower extremity
- I87.093Postthrombotic syndrome with other complications of bilateral lower extremity
- I87.099Postthrombotic syndrome with other complications of unspecified lower extremity
- I87.1Compression of vein
- I87.2Venous insufficiency (chronic) (peripheral)
- I87.3Chronic venous hypertension (idiopathic)
- I87.30Chronic venous hypertension (idiopathic) without complications
- I87.301Chronic venous hypertension (idiopathic) without complications of right lower extremity