I82.56

Chronic embolism and thrombosis of calf muscular vein

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This code does not map to a risk-adjusting HCC in the loaded models.

Coding notes

Excludes 1 never coded together · Excludes 2 may co-exist

This code · I82.56
Synonyms

Chronic embolism and thrombosis of calf muscular vein NOS Chronic embolism and thrombosis of gastrocnemial vein Chronic embolism and thrombosis of soleal vein

Inherited from I82.5Chronic embolism and thrombosis of deep veins of low extrm
Excludes 1

personal history of venous embolism and thrombosis (Z86.718)

Use additional

code, if applicable, for associated long-term (current) use of anticoagulants (Z79.01)

Inherited from I82Other venous embolism and thrombosis
Excludes 2

venous embolism and thrombosis (of): cerebral (I63.6, I67.6) coronary (I21-I25) intracranial and intraspinal, septic or NOS (G08) intracranial, nonpyogenic (I67.6) intraspinal, nonpyogenic (G95.1) mesenteric (K55.0-) portal (I81) pulmonary (I26.-)

Code first

venous embolism and thrombosis complicating: abortion, ectopic or molar pregnancy (O00-O07, O08.7) pregnancy, childbirth and the puerperium (O22.-, O87.-)

Inherited from chapter 9Diseases of the circulatory system
Excludes 2

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.-)

Official Guidelines for I82.56

FY 2026 ›
I.C.9Chapter-specific guidanceChapter 9: Diseases of the Circulatory System (I00-I99)

Subsections