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 only1,433 results
- I83.215Varicose veins of right lower extremity with both ulcer other part of foot and inflammation
- I83.218Varicose veins of right lower extremity with both ulcer of other part of lower extremity and inflammation
- I83.219Varicose veins of right lower extremity with both ulcer of unspecified site and inflammation
- I83.221Varicose veins of left lower extremity with both ulcer of thigh and inflammation
- I83.222Varicose veins of left lower extremity with both ulcer of calf and inflammation
- I83.223Varicose veins of left lower extremity with both ulcer of ankle and inflammation
- I83.224Varicose veins of left lower extremity with both ulcer of heel and midfoot and inflammation
- I83.225Varicose veins of left lower extremity with both ulcer other part of foot and inflammation
- I83.228Varicose veins of left lower extremity with both ulcer of other part of lower extremity and inflammation
- I83.229Varicose veins of left lower extremity with both ulcer of unspecified site and inflammation
- I83.811Varicose veins of right lower extremity with pain
- I83.812Varicose veins of left lower extremity with pain
- I83.813Varicose veins of bilateral lower extremities with pain
- I83.819Varicose veins of unspecified lower extremity with pain
- I83.891Varicose veins of right lower extremity with other complications
- I83.892Varicose veins of left lower extremity with other complications
- I83.893Varicose veins of bilateral lower extremities with other complications
- I83.899Varicose veins of unspecified lower extremity with other complications
- 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
- I85.00Esophageal varices without bleeding
- I85.01Esophageal varices with bleeding
- I85.10Secondary esophageal varices without bleeding
- I85.11Secondary esophageal varices with bleeding
- I86.0Sublingual varices
- I86.1Scrotal varices
- I86.2Pelvic varices
- I86.3Vulval varices
- I86.4Gastric varices
- I86.8Varicose veins of other specified sites
- 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
- I87.011Postthrombotic 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
- I87.021Postthrombotic 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
- I87.031Postthrombotic 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
- I87.091Postthrombotic syndrome with other complications of right lower extremity
- I87.092Postthrombotic syndrome with other complications of left lower extremity