2027 ICD-10-CM Diagnosis Code I37.2Nonrheumatic pulmonary valve stenosis with insufficiency

ICD-10-CM Codes›I00–I99›I30-I5A›I37

ICD-10-CM I37.2
CMSSource: CMS FY 2027 ICD-10-CM dataset · Effective Oct 1, 2026 – Sep 30, 2027

I37.2 is a billable ICD-10-CM diagnosis code for nonrheumatic pulmonary valve stenosis with insufficiency. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to MS-DRG 306 through 307. Coders also document this condition as non-rheumatic pulmonary valve disorder. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Nonrheumatic and unspecified valve disorders.

Code Identity

ICD-10-CM Code
I37.2
Billable Status
Yes — Valid for Submission
Code Describes
Nonrheumatic pulmonary valve stenosis with insufficiency
Short Description
Nonrheumatic pulmonary valve stenosis with insufficiency
Same as the full description in the CMS dataset.
Parent Code
Nonrheumatic pulmonary valve disorders

Code Classification

ChapterI00–I99Diseases of the circulatory system
SectionI30-I5AOther forms of heart disease
CategoryI37Nonrheumatic pulmonary valve disorders
This CodeI37.2Nonrheumatic pulmonary valve stenosis with insufficiency

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Non-rheumatic pulmonary valve disorder
  • Non-rheumatic pulmonary valve stenosis with regurgitation
  • Pulmonary incompetence, non-rheumatic
  • Pulmonary stenosis, non-rheumatic
  • Pulmonary valve stenosis with insufficiency

Instructional NotesGuidance

Instructions from the official ICD-10-CM Tabular List that apply to I37.2: its own notes plus those printed at I37 and Chapter 9. A note printed at a category, block or chapter applies to every code under it.

Excludes1

Not coded here: the excluded code is never reported together with this one, unless the two conditions are unrelated.

From I37 Nonrheumatic pulmonary valve disorders applies to 5 codes
  • pulmonary valve disorder specified as congenital (Q22.1, Q22.2, Q22.3)
  • pulmonary valve disorder specified as rheumatic (I09.89)

Excludes2

Not included here: the excluded condition is not part of this code, but a patient may have both, so both codes may be reported.

From Chapter 9 (I00-I99) Diseases of the circulatory system applies to 1,433 codes
  • certain conditions originating in the perinatal period (P04-P96)
  • certain infectious and parasitic diseases (A00-B99)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)
  • congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • injury, poisoning and certain other consequences of external causes (S00-T88)
  • neoplasms (C00-D49)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
  • systemic connective tissue disorders (M30-M36)
  • transient cerebral ischemic attacks and related syndromes (G45.-)

Source: CMS ICD-10-CM Tabular List. How to read instructional notes.

Referenced in Other NotesGuidance

Instructional notes printed at other codes that name I37.2, its category, or a range that includes it.

Excludes2 1

These codes carry an Excludes2 note naming I37.2: its condition is not part of those codes, and both may be reported when the patient has both.

  • I08 Multiple valve diseases
    multiple valve disease specified as nonrheumatic (I34.-, I35.-, I36.-, I37.-, I38.-, Q22.-, Q23.-, Q24.8-) names I37.-, which includes this code

Index to Diseases and InjuriesGuidance

Clinical ClassificationClinical

AHRQ’s CCSR groups this code into broader clinical categories.

CCSR CIR003
Nonrheumatic and unspecified valve disorders
Default principal diagnosis: inpatient Yes · outpatient Yes

Patient EducationClinical

Heart Valve Diseases

Heart valve disease happens when one or more of your heart valves don't work well.

The full article covers:

  • What are heart valve diseases?
  • What are the types of heart valve diseases?
  • What causes heart valve diseases?
  • Who is more likely to develop heart valve diseases?
  • What are the symptoms of heart valve diseases?
  • What other problems can heart valve diseases cause?
  • How is heart valve disease diagnosed?
  • What are the treatments for heart valve diseases?

Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Convert I37.2 to ICD-9-CMHistory

The closest ICD-9-CM equivalents under the General Equivalence Mappings.

ICD-9-CM
424.3 Pulmonary valve disorder
Approximate The match is approximate rather than exact.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2026No changes
FY 2027CurrentCurrent code set, no changesEffective October 1, 2026 through September 30, 2027.

Questions About I37.2Overview

What is the ICD-10 code for nonrheumatic pulmonary valve stenosis with insufficiency?

The ICD-10-CM code for nonrheumatic pulmonary valve stenosis with insufficiency is I37.2 (sometimes written as I372). It is billable on HIPAA-covered claims from October 1, 2026 through September 30, 2027.

Is I37.2 (Nonrheumatic pulmonary valve disorders) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report nonrheumatic pulmonary valve stenosis with insufficiency on HIPAA-covered claims from October 1, 2026 through September 30, 2027.

What MS-DRG does I37.2 group to?

When nonrheumatic pulmonary valve stenosis with insufficiency is the principal diagnosis on an inpatient stay, it groups to MS-DRG 306, 307, with relative weights from 0.9146 to 1.5457 depending on complications. Higher weights mean higher Medicare reimbursement.

Can I37.2 be reported with Q22.1?

Not as a rule. The Excludes1 note at I37, which applies to I37.2, lists "pulmonary valve disorder specified as congenital (Q22.1, Q22.2, Q22.3)". An Excludes1 note means the excluded code is never reported together with this one; the only exception is when the two conditions are unrelated to each other (Official Guidelines, Section I.A.12.a).

What is the ICD-9 equivalent of I37.2?

Under the General Equivalence Mappings, nonrheumatic pulmonary valve stenosis with insufficiency converts to ICD-9-CM 424.3 (pulmonary valve disorder). The mapping is approximate, so confirm the match fits the documentation.