All ICD10 Codes
Chapter 9

I00–I99: Diseases of the Circulatory System

Diseases of the Circulatory System diagnostic classification updated for 2026.

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.-)
All CodesBillable Only
Internal Codes
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  • I82.5Z2—

    Chronic embolism and thrombosis of unspecified deep veins of left distal lower extremity

  • I82.5Z3—

    Chronic embolism and thrombosis of unspecified deep veins of distal lower extremity, bilateral

  • I82.5Z9—

    Chronic embolism and thrombosis of unspecified deep veins of unspecified distal lower extremity

  • I82.601—

    Acute embolism and thrombosis of unspecified veins of right upper extremity

  • I82.602—

    Acute embolism and thrombosis of unspecified veins of left upper extremity

  • I82.603—

    Acute embolism and thrombosis of unspecified veins of upper extremity, bilateral

  • I82.609—

    Acute embolism and thrombosis of unspecified veins of unspecified upper extremity

  • I82.611—

    Acute embolism and thrombosis of superficial veins of right upper extremity

  • I82.612—

    Acute embolism and thrombosis of superficial veins of left upper extremity

  • I82.613—

    Acute embolism and thrombosis of superficial veins of upper extremity, bilateral

  • I82.619—

    Acute embolism and thrombosis of superficial veins of unspecified upper extremity

  • I82.621—

    Acute embolism and thrombosis of deep veins of right upper extremity

  • I82.622—

    Acute embolism and thrombosis of deep veins of left upper extremity

  • I82.623—

    Acute embolism and thrombosis of deep veins of upper extremity, bilateral

  • I82.629—

    Acute embolism and thrombosis of deep veins of unspecified upper extremity

  • I82.701—

    Chronic embolism and thrombosis of unspecified veins of right upper extremity

  • I82.702—

    Chronic embolism and thrombosis of unspecified veins of left upper extremity

  • I82.703—

    Chronic embolism and thrombosis of unspecified veins of upper extremity, bilateral

  • I82.709—

    Chronic embolism and thrombosis of unspecified veins of unspecified upper extremity

  • I82.711—

    Chronic embolism and thrombosis of superficial veins of right upper extremity

  • I82.712—

    Chronic embolism and thrombosis of superficial veins of left upper extremity

  • I82.713—

    Chronic embolism and thrombosis of superficial veins of upper extremity, bilateral

  • I82.719—

    Chronic embolism and thrombosis of superficial veins of unspecified upper extremity

  • I82.721—

    Chronic embolism and thrombosis of deep veins of right upper extremity

  • I82.722—

    Chronic embolism and thrombosis of deep veins of left upper extremity

  • I82.723—

    Chronic embolism and thrombosis of deep veins of upper extremity, bilateral

  • I82.729—

    Chronic embolism and thrombosis of deep veins of unspecified upper extremity

  • I82.811—

    Embolism and thrombosis of superficial veins of right lower extremity

  • I82.812—

    Embolism and thrombosis of superficial veins of left lower extremity

  • I82.813—

    Embolism and thrombosis of superficial veins of lower extremities, bilateral

  • I82.819—

    Embolism and thrombosis of superficial veins of unspecified lower extremity

  • I82.890—

    Acute embolism and thrombosis of other specified veins

  • I82.891—

    Chronic embolism and thrombosis of other specified veins

  • I82.90—

    Acute embolism and thrombosis of unspecified vein

  • I82.91—

    Chronic embolism and thrombosis of unspecified vein

  • I82.A11—

    Acute embolism and thrombosis of right axillary vein

  • I82.A12—

    Acute embolism and thrombosis of left axillary vein

  • I82.A13—

    Acute embolism and thrombosis of axillary vein, bilateral

  • I82.A19—

    Acute embolism and thrombosis of unspecified axillary vein

  • I82.A21—

    Chronic embolism and thrombosis of right axillary vein

  • I82.A22—

    Chronic embolism and thrombosis of left axillary vein

  • I82.A23—

    Chronic embolism and thrombosis of axillary vein, bilateral

  • I82.A29—

    Chronic embolism and thrombosis of unspecified axillary vein

  • I82.B11—

    Acute embolism and thrombosis of right subclavian vein

  • I82.B12—

    Acute embolism and thrombosis of left subclavian vein

  • I82.B13—

    Acute embolism and thrombosis of subclavian vein, bilateral

  • I82.B19—

    Acute embolism and thrombosis of unspecified subclavian vein

  • I82.B21—

    Chronic embolism and thrombosis of right subclavian vein

  • I82.B22—

    Chronic embolism and thrombosis of left subclavian vein

  • I82.B23—

    Chronic embolism and thrombosis of subclavian vein, bilateral

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