I37Header code — not billable

Nonrheumatic pulmonary valve disorders

Chapter
9. Diseases of the circulatory system
Category
I37
Effective date
October 1, 2026

Related codes in category I37

I37.0Nonrheumatic pulmonary valve stenosisYesI37.1Nonrheumatic pulmonary valve insufficiencyYesI37.2Nonrheumatic pulmonary valve stenosis with insufficiencyYesI37.8Other nonrheumatic pulmonary valve disordersYesI37.9Nonrheumatic pulmonary valve disorder, unspecifiedYes

Frequently asked questions

What is ICD-10 code I37?

I37 is an ICD-10-CM diagnosis code for Nonrheumatic pulmonary valve disorders.

Is I37 a billable code?

No. I37 is a category/header code, not billable on its own — use one of its more specific child codes instead.

What ICD-10-CM chapter is I37 in?

I37 falls under Chapter 9: Diseases of the circulatory system.

When did I37 become effective?

I37 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to I37?

I37 belongs to category I37, which includes 5 other codes — see the related codes list on this page.

ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.