I82.462

Acute embolism and thrombosis of left calf muscular vein

FY2027Chapter 9: Diseases of the circulatory system/I80–I89 Diseases of veins, lymphatic vessels and lymph nodes, not elsewhere classified

BillableComplete code, valid to report

I82.462 (also written I82462) is a billable ICD-10-CM diagnosis code for acute embolism and thrombosis of left calf muscular vein. It is part of the FY2027 code set, effective October 1, 2026. It is one of the 145 codes in category I82 (Other venous embolism and thrombosis). Its coding notes include a Code first instruction and 19 Excludes2 entries.

Code first

If the underlying condition listed here is present and known, sequence it first.

Inherited from I82 Other venous embolism and thrombosis
  • venous embolism and thrombosis complicating:
    • abortion, ectopic or molar pregnancy (O00-O07, O08.7)
    • pregnancy, childbirth and the puerperium (O22.-, O87.-)

Excludes2

Not included here. Both codes may be reported if the patient has both conditions.

Inherited from I82 Other venous embolism and thrombosis
  • 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.-)
Also from chapter/block level (10 notes)
Inherited from Chapter 9 Diseases of the circulatory system
  • 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.-)

Care settings

How CMS programs treat this code. These are CMS claim edits and list entries, not coverage or eligibility rules.

Home Health Primary

Accepted as the primary (principal) diagnosis on a home health claim. The Home Health Grouper assigns it to the MMTA - Cardiac and Circulatory clinical group.

Source: CMS Home Health Grouper Software v07.2.26, effective October 1, 2026