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Q26.0

Q26.0Congenital stenosis of vena cava

Billable / specific codeICD-10-CMPOA exempt

Q26.0 is a billable, specific ICD-10-CM code for congenital stenosis of vena cava. It is valid for submission on a claim.

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

  • Congenital stenosis of vena cava (inferior)(superior)

Risk adjustment

Q26.0 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.

Medicare coverage

Q26.0 is named in 20 Medicare coverage policies 20 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

  • A52868Billing and Coding: Transesophageal Echocardiography (TEE)
  • A54111Billing and Coding: Speech Language Pathology (SLP) Services: Communication Disorders
  • A56414Billing and Coding: Endovenous Stenting
  • A56451Billing and Coding: Cardiac Computed Tomography (CCT) and Coronary Computed Tomography Angiography (CCTA)

How Q26.0 is indexed

Coders do not find codes by browsing the tabular list — they look them up in the alphabetic index, under the word the physician wrote. These are the index entries that lead here, so you can see which chart wordings map to Q26.0.

  • Stenosis, stenoticvena cavacongenital
  • Stricturevena cava NECcongenital
  • Malformationgreatveinvena cava stenosis, congenital

Related codes at this level

Codes that share Q26. If Q26.0 is not quite right, the correct code is usually one of these.

Questions about Q26.0

Is Q26.0 a billable ICD-10-CM code?
Yes. Q26.0 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does Q26.0 sit in the tabular list?
Congenital malformations, deformations and chromosomal abnormalities (Q00-QA0), in the block Congenital malformations of the circulatory system (Q20-Q28).
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.