I82.5
⚠ Non-billable (Header)Chronic embolism and thrombosis of deep veins of lower extremity
Diseases of the circulatory system (I00-I99)
⚠️ This is a category header code — not billable. Use a more specific child code below.
📋 Code Instructions
- • code, if applicable, for associated long-term (current) use of anticoagulants (Z79.01)
❌ Excludes1
directCannot be coded with I82.5
- • personal history of venous embolism and thrombosis (Z86.718)
⚠️ Excludes2
inherited from I82Rules from parent category 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.-)
📋 Code Instructions
from I82- • Code first: venous embolism and thrombosis complicating:
- • Code first: abortion, ectopic or molar pregnancy (O00-O07, O08.7)
- • Code first: pregnancy, childbirth and the puerperium (O22.-, O87.-)
Child Codes (10)
I82.50Chronic embolism and thrombosis of unspecified deep veins of lower extremityI82.51Chronic embolism and thrombosis of femoral veinI82.52Chronic embolism and thrombosis of iliac veinI82.53Chronic embolism and thrombosis of popliteal veinI82.54Chronic embolism and thrombosis of tibial veinI82.55Chronic embolism and thrombosis of peroneal veinI82.56Chronic embolism and thrombosis of calf muscular veinI82.59Chronic embolism and thrombosis of other specified deep vein of lower extremityI82.5YChronic embolism and thrombosis of unspecified deep veins of proximal lower extremityI82.5ZChronic embolism and thrombosis of unspecified deep veins of distal lower extremity
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CodeI82.5
BillableNo — Header code
ParentI82
CategoryDiseases of the circulatory system (I00-I99)
Excludes11 rule(s)
Excludes29 note(s)
Child codes10
Data Source
CMS ICD-10-CM 2026 Tabular List
Updated October 1, 2025 (FY2026)