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ICD-10/I82.56

I82.56 ICD-10-CM Code: Chronic embolism and thrombosis of calf muscular vein

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 calf muscular vein is a non-billable ICD-10-CM category code (I82.56). A more specific billable subcode must be selected for claims submission.

Official Tabular Instructional Notes

Sequencing, inclusion, and exclusion notes published for I82.56 in the official ICD-10-CM tabular list.

Inclusion Terms

Alternative terms the tabular list files under this code.

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

Excludes1 — Not Coded Here

Conditions generally not reported together with this code (Excludes1) -- an error unless the two conditions are documented as unrelated to each other (ICD-10-CM Official Guidelines, Section I.A.12.a).

Excludes2 — Not Included Here

Conditions not covered by this code, but which may be reported alongside it when both are present.

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.

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

Change history

  • FY2020 — 2019-10-01
    Added to the code set
    Chronic embolism and thrombosis of calf muscular vein
    FY2020 changes

Verify Before Coding

From the code registry, the Medicare Code Editor, and the MS-DRG Definitions Manual. Check it against a full claim.

Contextual Map

Every relationship of I82.56 in one view: hierarchy, official tabular instructions in both directions, clinical classification, risk adjustment, MS-DRG participation, index terms and change history — each edge carrying the CMS source it derives from.

Hierarchy

  • I82.5 — Chronic embolism and thrombosis of deep veins of lower extremity [Hierarchy]

Referenced by Excludes1 notes

  • I80 — Phlebitis and thrombophlebitis [Excludes1](via I82.5.-): “venous embolism and thrombosis of lower extremities (I82.4-, I82.5-, I82.81-)”

Referenced by Use Additional Code instructions

  • O22.3 — Deep phlebothrombosis in pregnancy [Use Additional Code](via I82.5.-): “code to identify the deep vein thrombosis (I82.4-, I82.5-, I82.62-, I82.72-)”
  • O87.1 — Deep phlebothrombosis in the puerperium [Use Additional Code](via I82.5.-): “code to identify the deep vein thrombosis (I82.4-, I82.5-, I82.62-, I82.72-)”

Nearest codes (40)

  • I82 — Other venous embolism and thrombosis [Sibling]
  • I82.52 — Chronic embolism and thrombosis of iliac vein [Sibling]
  • I82.521 — Chronic embolism and thrombosis of right iliac vein [Sibling]
  • I82.522 — Chronic embolism and thrombosis of left iliac vein [Sibling]
  • I82.523 — Chronic embolism and thrombosis of iliac vein, bilateral [Sibling]
  • I82.529 — Chronic embolism and thrombosis of unspecified iliac vein [Sibling]
  • I82.53 — Chronic embolism and thrombosis of popliteal vein [Sibling]
  • I82.531 — Chronic embolism and thrombosis of right popliteal vein [Sibling]
  • and 32 more

Change history

  • FY2020 — Added to the code set [Change history]

Referenced by Other Codes

Official ICD-10-CM tabular notes on other codes that name I82.56 or its code family.

1 Excludes1 notes: I80 (via I82.5.-).

2 Use Additional Code instructions: O22.3 (via I82.5.-), O87.1 (via I82.5.-).

Frequently Asked Questions (FAQ) & Clinical Guidance

Can I82.56 be billed directly?

No. I82.56 (Chronic embolism and thrombosis of calf muscular vein) is a non-billable ICD-10-CM category code. A more specific billable subcode must be selected based on clinical documentation.

Nearest Codes in This Family

Official ICD-10-CM classifications closest to I82.56 in its code family, with their registry titles.

  • 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
  • I82.561 — 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

View all codes in the I82 family