MCMedicalCodingSoftware
I82.B23

I82.B23Chronic embolism and thrombosis of subclavian vein, bilateral

Billable / specific codeICD-10-CMbilateral

I82.B23 is a billable, specific ICD-10-CM code for chronic embolism and thrombosis of subclavian vein, bilateral. It is valid for submission on a claim.

Excludes2 inherited from the categories above I82.B23

Also inherited, and the opposite of Excludes1: these conditions are not part of I82.B23, but a patient can have both, so you may code both.

Written on 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.-)

Risk adjustment

I82.B23 risk-adjusts. Under the CMS-HCC V28 model it maps to this category:

  • HCC 267 Deep Vein Thrombosis and Pulmonary Embolism0.294 RAF

Coefficient shown for the Community Non-dual Aged segment. A higher HCC in the same hierarchy will suppress this one, so capturing it does not always add score.

Medicare coverage

I82.B23 is named in 9 Medicare coverage policies 9 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

  • A52993Billing and Coding: Peripheral Venous Ultrasound
  • A56414Billing and Coding: Endovenous Stenting
  • A56541Billing and Coding: Biomarkers Overview
  • A56644Billing and Coding: Endovenous Stenting

Code history

I82.B23 has not changed since FY2024 — no addition, revision or deletion across the three most recent ICD-10-CM releases.

Related codes at this level

Codes that share I82.B2. If I82.B23 is not quite right, the correct code is usually one of these.

Questions about I82.B23

Is I82.B23 a billable ICD-10-CM code?
Yes. I82.B23 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does I82.B23 sit in the tabular list?
Diseases of the circulatory system (I00-I99), in the block Diseases of veins, lymphatic vessels and lymph nodes, not elsewhere classified (I80-I89).
ICD-10-CMFY2026-Apr· effective April 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release — see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.