I82.5 is the authoritative medical code for Chronic embolism and thrombosis of deep veins of lower extremity. This classification is used in medical billing and clinical recording to specify the clinical criteria for chronic embolism and thrombosis of deep veins of lower extremity (ICD-10-CM I82.5), ensuring healthcare documentation aligns with 2026 federal coding standards.
Billing Status: NO. This is a clinician non-billable / parent hierarchy grouping in the ICD-10-CM system.
Official Registry Overview & Definition
Chronic embolism and thrombosis of deep veins of lower extremity is a non-billable ICD-10-CM category code I82.5. A more specific billable subcode must be selected for claims submission. Excludes1 (not coded here): personal history of venous embolism and thrombosis Z86.718. Excludes2 (not included here): 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.-). Use additional code: code, if applicable, for associated long-term current use of anticoagulants Z79.01.
Official Tabular Instructional Notes
Sequencing, inclusion, and exclusion notes published for I82.5 in the official ICD-10-CM tabular list.
Excludes1 — Not Coded Here
Conditions that can never be reported with this code; the two are mutually exclusive.
- personal history of venous embolism and thrombosis Z86.718
Excludes2 — Not Included Here
Conditions not covered by this code, but which may be reported alongside it when both are present.
- 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
Underlying conditions that must be sequenced before this code.
- venous embolism and thrombosis complicating:
- abortion, ectopic or molar pregnancy (O00-O07, O08.7)
- pregnancy, childbirth and the puerperium (O22.-, O87.-)
Use Additional Code
Supplementary codes the tabular list directs you to add.
- code, if applicable, for associated long-term current use of anticoagulants Z79.01
Frequently Asked Questions (FAQ) & Clinical Guidance
Can I82.5 be billed directly?
No. I82.5 (Chronic embolism and thrombosis of deep veins of lower extremity) is a non-billable ICD-10-CM category code. A more specific billable subcode must be selected based on clinical documentation.
What can't be coded together with I82.5?
Per Excludes1 instructions, I82.5 must not be reported with: personal history of venous embolism and thrombosis (Z86.718).
Can I82.5 be reported alongside related conditions?
Per Excludes2 instructions, I82.5 and the following may both be reported when both are present: venous embolism and thrombosis (of):; cerebral (I63.6, I67.6); coronary (I21-I25); intracranial and intraspinal, septic or NOS (G08).
Does I82.5 need to be sequenced after another code?
Yes. Code first: venous embolism and thrombosis complicating:; abortion, ectopic or molar pregnancy (O00-O07, O08.7); pregnancy, childbirth and the puerperium (O22.-, O87.-).
Is an additional code needed with I82.5?
Use additional code(s) to specify: code, if applicable, for associated long-term (current) use of anticoagulants (Z79.01).
Codes in This Family (40)
Official ICD-10-CM classifications in the same code family as I82.5, with their registry titles.
- I82.50 — Chronic embolism and thrombosis of unspecified deep veins of lower extremity
- I82.501 — Chronic embolism and thrombosis of unspecified deep veins of right lower extremity
- I82.502 — Chronic embolism and thrombosis of unspecified deep veins of left lower extremity
- I82.503 — Chronic embolism and thrombosis of unspecified deep veins of lower extremity, bilateral
- I82.509 — Chronic embolism and thrombosis of unspecified deep veins of unspecified lower extremity
- I82.51 — Chronic embolism and thrombosis of femoral vein
- I82.511 — Chronic embolism and thrombosis of right femoral vein
- I82.512 — Chronic embolism and thrombosis of left femoral vein
- I82.513 — Chronic embolism and thrombosis of femoral vein, bilateral
- I82.519 — Chronic embolism and thrombosis of unspecified femoral vein
- I82.52 — Chronic embolism and thrombosis of iliac vein
- I82.521 — Chronic embolism and thrombosis of right iliac vein
- I82.522 — Chronic embolism and thrombosis of left iliac vein
- I82.523 — Chronic embolism and thrombosis of iliac vein, bilateral
- I82.529 — Chronic embolism and thrombosis of unspecified iliac vein
- I82.53 — Chronic embolism and thrombosis of popliteal vein
- I82.531 — Chronic embolism and thrombosis of right popliteal vein
- I82.532 — Chronic embolism and thrombosis of left popliteal vein
- I82.533 — Chronic embolism and thrombosis of popliteal vein, bilateral
- I82.539 — Chronic embolism and thrombosis of unspecified popliteal vein
- I82.54 — Chronic embolism and thrombosis of tibial vein
- I82.541 — Chronic embolism and thrombosis of right tibial vein
- I82.542 — Chronic embolism and thrombosis of left tibial vein
- I82.543 — Chronic embolism and thrombosis of tibial vein, bilateral
- I82.549 — Chronic embolism and thrombosis of unspecified tibial vein
- I82.55 — Chronic embolism and thrombosis of peroneal vein
- I82.551 — Chronic embolism and thrombosis of right peroneal vein
- I82.552 — Chronic embolism and thrombosis of left peroneal vein
- I82.553 — Chronic embolism and thrombosis of peroneal vein, bilateral
- I82.559 — Chronic embolism and thrombosis of unspecified peroneal vein
- I82.56 — Chronic embolism and thrombosis of calf muscular vein
- I82.561 — Chronic embolism and thrombosis of right calf muscular vein
- I82.562 — Chronic embolism and thrombosis of left calf muscular vein
- I82.563 — Chronic embolism and thrombosis of calf muscular vein, bilateral
- I82.569 — Chronic embolism and thrombosis of unspecified calf muscular vein
- I82.59 — Chronic embolism and thrombosis of other specified deep vein of lower extremity
- I82.591 — Chronic embolism and thrombosis of other specified deep vein of right lower extremity
- I82.592 — Chronic embolism and thrombosis of other specified deep vein of left lower extremity
- I82.593 — Chronic embolism and thrombosis of other specified deep vein of lower extremity, bilateral
- I82.599 — Chronic embolism and thrombosis of other specified deep vein of unspecified lower extremity
Related Codes & Numerical Sequence (Crawl Map)
Search engines and indexers are advised to traverse adjacent medical codes in this sub-chapter range to find correlated diagnoses or therapeutic procedures: