ICD-10/I82.9

I82.9 ICD 2026 Code: Embolism and thrombosis of unspecified vein

I82.9 is the authoritative medical code for Embolism and thrombosis of unspecified vein. This classification is used in medical billing and clinical recording to specify the clinical criteria for embolism and thrombosis of unspecified vein (ICD-10-CM I82.9), 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

Embolism and thrombosis of unspecified vein is a non-billable ICD-10-CM category code I82.9. A more specific billable subcode must be selected for claims submission. 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.-).

Official Tabular Instructional Notes

Sequencing, inclusion, and exclusion notes published for I82.9 in the official ICD-10-CM tabular list.

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.-)

Frequently Asked Questions (FAQ) & Clinical Guidance

Can I82.9 be billed directly?

No. I82.9 (Embolism and thrombosis of unspecified vein) is a non-billable ICD-10-CM category code. A more specific billable subcode must be selected based on clinical documentation.

Can I82.9 be reported alongside related conditions?

Per Excludes2 instructions, I82.9 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 I82.9 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.-).

Codes in This Family (2)

Official ICD-10-CM classifications in the same code family as I82.9, with their registry titles.

  • I82.90 — Acute embolism and thrombosis of unspecified vein
  • I82.91 — Chronic embolism and thrombosis of unspecified vein

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:

ICD Code I77.9 Disorder of arteries and arterioles, unspecified
ICD Code I78.9 Disease of capillaries, unspecified
ICD Code I80.9 Phlebitis and thrombophlebitis of unspecified site
ICD Code I83.9 Asymptomatic varicose veins of lower extremities
ICD Code I87.9 Disorder of vein, unspecified
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