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ICD-10/I82.569

I82.569 ICD-10-CM Code: Chronic embolism and thrombosis of unspecified calf muscular vein

Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.

Inpatient Payment Groups (MS-DRG)

MS-DRGs this diagnosis helps define, as principal or secondary, per the CMS ICD-10-CM/PCS MS-DRG Definitions Manual v43.0, Appendix B.

  • MS-DRG 299 — PERIPHERAL VASCULAR DISORDERS WITH MCC (MDC 05)
  • MS-DRG 300 — PERIPHERAL VASCULAR DISORDERS WITH CC (MDC 05)
  • MS-DRG 301 — PERIPHERAL VASCULAR DISORDERS WITHOUT CC/MCC (MDC 05)

A diagnosis appearing in a group's logic does not by itself determine the DRG assigned to a stay; the grouper uses the full claim.

Risk Adjustment (CMS-HCC)

Payment categories this diagnosis maps to under CMS-HCC V28, payment year 2026.

  • HCC 267 — Deep Vein Thrombosis and Pulmonary Embolism

Other models: CMS-HCC V22 HCC 108 · RxHCC V08 HCC 215

Risk scores depend on the enrollee's full accepted diagnosis set and segment; a category mapping alone does not determine payment.

Official Registry Overview & Definition

Chronic embolism and thrombosis of unspecified calf muscular vein is a billable ICD-10-CM diagnosis code (I82.569).

Official Tabular Instructional Notes

Sequencing, inclusion, and exclusion notes published for I82.569 in the official ICD-10-CM tabular list.

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 unspecified calf muscular vein
    FY2020 changes

Verify Before Coding

  • Billable — reportable as written.

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 I82.569 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

  • I00-I99 — Chapter 9: Diseases of the Circulatory System (I00-I99) (I00-I99) [Hierarchy]
  • I80-I89 — Diseases of veins, lymphatic vessels and lymph nodes, not elsewhere classified [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-)”

Clinical classification (CCSR)

  • CIR034 — Chronic phlebitis; thrombophlebitis and thromboembolism [CCSR]

Risk adjustment (CMS-HCC)

  • HCC 267 — Deep Vein Thrombosis and Pulmonary Embolism [CMS-HCC]

Potential MS-DRG

  • DRG 299 — PERIPHERAL VASCULAR DISORDERS WITH MCC [MS-DRG]: “PERIPHERAL VASCULAR DISORDERS WITH MCC (MDC 05)”
  • DRG 300 — PERIPHERAL VASCULAR DISORDERS WITH CC [MS-DRG]: “PERIPHERAL VASCULAR DISORDERS WITH CC (MDC 05)”
  • DRG 301 — PERIPHERAL VASCULAR DISORDERS WITHOUT CC/MCC [MS-DRG]: “PERIPHERAL VASCULAR DISORDERS WITHOUT CC/MCC (MDC 05)”

Nearest codes (40)

  • I82 — Other venous embolism and thrombosis [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]
  • I82.532 — Chronic embolism and thrombosis of left popliteal vein [Sibling]
  • I82.533 — Chronic embolism and thrombosis of popliteal vein, bilateral [Sibling]
  • I82.539 — Chronic embolism and thrombosis of unspecified popliteal vein [Sibling]
  • I82.54 — Chronic embolism and thrombosis of tibial vein [Sibling]
  • and 32 more

Change history

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

Referenced by Other Codes

Clinical classification (AHRQ CCSR):CIR034 — Chronic phlebitis; thrombophlebitis and thromboembolism (default).

Clinical Classifications Software Refined (CCSR) for ICD-10-CM Diagnoses. Healthcare Cost and Utilization Project (HCUP), Agency for Healthcare Research and Quality.

Potential MS-DRG Relationships (FY2026)

Not on the CMS CC/MCC list — as a secondary diagnosis this code does not change MS-DRG severity.

Named in the grouper logic of 3 MS-DRGs: DRG 299 (MDC 05), DRG 300 (MDC 05), DRG 301 (MDC 05).

From the CMS MS-DRG Definitions Manual (Appendices B and C). Actual DRG assignment depends on the complete claim.

Official ICD-10-CM tabular notes on other codes that name I82.569 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.-).

Nearest Codes in This Family

Official ICD-10-CM classifications closest to I82.569 in its code family, with their registry titles.

  • 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
  • I82.59 — 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

View all codes in the I82 family