2026 ICD-10-CM Diagnosis Code N97.1Female infertility of tubal origin

ICD-10-CM Codes›N00–N99›N80-N98›N97

ICD-10-CM N97.1
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

N97.1 is a billable ICD-10-CM diagnosis code for female infertility of tubal origin. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to MS-DRG 742 through 743, 760 through 761. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Female infertility.

Code Identity

ICD-10-CM Code
N97.1
Billable Status
Yes — Valid for Submission
Code Describes
Female infertility of tubal origin
Short Description
Female infertility of tubal origin
Same as the full description in the CMS dataset.
Parent Code
N97
Female infertility

Code Classification

ChapterN00–N99Diseases of the genitourinary system
SectionN80-N98Noninflammatory disorders of female genital tract
CategoryN97Female infertility
This CodeN97.1Female infertility of tubal origin

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Bilateral distal fallopian tube obstruction
  • Bilateral distal fallopian tube occlusion
  • Bilateral obstruction of fallopian tubes
  • Bilateral partial obstruction of fallopian tubes
  • Bilateral proximal fallopian tube obstruction
  • Bilateral proximal fallopian tube occlusion
  • Blocked fallopian tube
  • Complete obstruction of distal fallopian tube
  • Complete obstruction of distal left fallopian tube
  • Complete obstruction of distal right fallopian tube
  • Fallopian tube stenosis
  • Female infertility due to acquired stenosis of fallopian tube
  • Female infertility due to congenital anomaly of fallopian tube
  • Female infertility due to occlusion of fallopian tube
  • Female infertility of tubal origin
  • Fimbrial phimosis of fallopian tube
  • Obstruction of distal fallopian tube
  • Obstruction of left distal fallopian tube
  • Obstruction of left fallopian tube
  • Obstruction of proximal fallopian tube
  • Obstruction of proximal left fallopian tube
  • Obstruction of proximal right fallopian tube
  • Obstruction of right distal fallopian tube
  • Obstruction of right fallopian tube
  • Partial occlusion of fallopian tube
  • Partial occlusion of left fallopian tube
  • Partial occlusion of right fallopian tube
  • Primary tubal infertility
  • Secondary tubal infertility

Tabular List NotesGuidance

Coding notes and annotation back-references applicable to this code.

Inclusion Terms

  • Female infertility associated with congenital anomaly of tube
  • Female infertility due to tubal block
  • Female infertility due to tubal occlusion
  • Female infertility due to tubal stenosis

Index to Diseases and InjuriesGuidance

Alphabetical index entries that point to this code.

External Cause of Injuries IndexGuidance

References for this code in the External Cause of Injuries Index.

    • Atresia, atretic
      • fallopian tube (congenital)
        • acquired
    • Atresia, atretic
      • oviduct (congenital)
        • acquired
    • Block, blocked
      • tubal
    • Infertility
      • female
        • associated with
          • congenital anomaly
            • fallopian tube
    • Infertility
      • female
        • associated with
          • fallopian tube disease or anomaly
    • Infertility
      • female
        • due to
          • fallopian tube anomaly
    • Infertility
      • female
        • origin
          • tubal (block) (occlusion) (stenosis)
    • Noninsufflation, fallopian tube
    • Nonpatent fallopian tube
    • Obliteration
      • fallopian tube
    • Obstruction, obstructed, obstructive
      • fallopian tube (bilateral)
    • Occlusion, occluded
      • fallopian tube
    • Occlusion, occluded
      • oviduct
    • Occlusion, occluded
      • tubal
    • Stenosis, stenotic(cicatricial)
      • tubal
    • Stricture
      • fallopian tube

Clinical ClassificationClinical

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

CCSR GEN024
Female infertility
Default principal diagnosis: inpatient Yes · outpatient Yes

Clinical InformationClinical

  • Female Infertility

    infertility in a woman.

Patient EducationClinical

Female Infertility

Infertility means not being able to get pregnant after at least one year of trying (or 6 months if the woman is over age 35). If a woman keeps having miscarriages, it is also called infertility. Female infertility can result from age, physical problems, hormone problems, and lifestyle or environmental factors.

Read the full article at MedlinePlus

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

Convert N97.1 to ICD-9-CMHistory

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

ICD-9-CM
628.2 Infertility-tubal origin
Exact Match The mapping is direct, with no qualifiers.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About N97.1Overview

Is N97.1 (Female infertility) a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report female infertility of tubal origin on HIPAA-covered claims from October 1, 2025 through September 30, 2026.

What MS-DRG does N97.1 group to?

When female infertility of tubal origin is the principal diagnosis on an inpatient stay, it groups to MS-DRG 742, 743, 760, 761, with relative weights from 0.5696 to 1.8348 depending on complications. Higher weights mean higher Medicare reimbursement.

What is the ICD-9 equivalent of N97.1?

Under the General Equivalence Mappings, female infertility of tubal origin converts to ICD-9-CM 628.2 (infertility-tubal origin). The mapping is a direct match.

Footnotes

[1] Chronic - a chronic condition code indicates a condition lasting 12 months or longer and its effect on the patient based on one or both of the following criteria:

  • The condition results in the need for ongoing intervention with medical products,treatment, services, and special equipment
  • The condition places limitations on self-care, independent living, and social interactions.