2027 ICD-10-CM Diagnosis Code I37.1Nonrheumatic pulmonary valve insufficiency
ICD-10-CM Codes›I00–I99›I30-I5A›I37
- Billable — Valid for Submission
- Chronic Condition
I37.1 is a billable ICD-10-CM diagnosis code for nonrheumatic pulmonary valve 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. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Nonrheumatic and unspecified valve disorders.
Code Identity
Code Classification
Approximate SynonymsGuidance
Alternate terms and clinical phrases that map to this code.
- Disorder of pulmonary valve prosthesis
- Functional pulmonary regurgitation
- Graham Steell murmur
- Mild pulmonary valve regurgitation
- Moderate pulmonary valve regurgitation
- Neopulmonary valve regurgitation
- Non-rheumatic pulmonary valve disorder
- Postprocedural pulmonary valve regurgitation
- Prosthetic pulmonary valve regurgitation
- Pulmonary incompetence, non-rheumatic
- Pulmonary valve regurgitation due to traumatic injury
- Pulmonic valve regurgitation
- Severe pulmonary valve regurgitation
Instructional NotesGuidance
Instructions from the official ICD-10-CM Tabular List that apply to I37.1: 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.
Applicable To
Conditions this code is used for: synonyms of the title or, for "other specified" codes, the conditions assigned to it. The list is not exhaustive.
- Nonrheumatic pulmonary valve incompetence
- Nonrheumatic pulmonary valve regurgitation
Excludes1
Not coded here: the excluded code is never reported together with this one, unless the two conditions are unrelated.
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.
- 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 I37.1, its category, or a range that includes it.
Excludes2 1
These codes carry an Excludes2 note naming I37.1: its condition is not part of those codes, and both may be reported when the patient has both.
Index to Diseases and InjuriesGuidance
Alphabetical index entries that point to this code.
Clinical ClassificationClinical
AHRQ’s CCSR groups this code into broader clinical categories.
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 I37.1 to ICD-9-CMHistory
The closest ICD-9-CM equivalents under the General Equivalence Mappings.
Code HistoryHistory
Questions About I37.1Overview
What is the ICD-10 code for nonrheumatic pulmonary valve insufficiency?
The ICD-10-CM code for nonrheumatic pulmonary valve insufficiency is I37.1 (sometimes written as I371). It is billable on HIPAA-covered claims from October 1, 2026 through September 30, 2027.
Is I37.1 (Nonrheumatic pulmonary valve disorders) a billable code?
Yes. This is a billable ICD-10-CM code, specific enough to report nonrheumatic pulmonary valve insufficiency on HIPAA-covered claims from October 1, 2026 through September 30, 2027.
What MS-DRG does I37.1 group to?
When nonrheumatic pulmonary valve 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 I37.1 be reported with Q22.1?
Not as a rule. The Excludes1 note at I37, which applies to I37.1, 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 I37.1?
Under the General Equivalence Mappings, nonrheumatic pulmonary valve insufficiency converts to ICD-9-CM 424.3 (pulmonary valve disorder). The mapping is approximate, so confirm the match fits the documentation.
