I82.4Y9

Acute embolism and thrombosis of unspecified deep veins of unspecified proximal lower extremity

Risk-adjusting (HCC)Billable code

HCC risk adjustment mapping

CMS-HCC V28

HCC267

Deep Vein Thrombosis and Pulmonary Embolism

CMS-HCC ESRD V24

HCC108

Vascular Disease

RxHCC V08

RXHCC215

Venous Thromboembolism

Coding notes

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

Inherited from I82.4YAcute emblsm and thombos unsp deep veins of prox low extrm

Synonyms

Acute embolism and thrombosis of deep vein of thigh NOS Acute embolism and thrombosis of deep vein of upper leg NOS

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 I82.4Y9

FY 2026 ›

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

Subsections