2026 ICD-10-CM Diagnosis Code N46.8Other male infertility

ICD-10-CM Codes›N00–N99›N40-N53›N46

ICD-10-CM N46.8
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

N46.8 is a billable ICD-10-CM diagnosis code for other male infertility. It is valid on HIPAA claims for fiscal year 2026 (October 1, 2025 through September 30, 2026) and groups to MS-DRG 729 through 730. The code is restricted by the Medicare Code Editor to adult patients (age 15 through 124). In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Male infertility.

Code Identity

ICD-10-CM Code
N46.8
Billable Status
Yes — Valid for Submission
Code Describes
Other male infertility
Short Description
Other male infertility
Same as the full description in the CMS dataset.
Parent Code
N46
Male infertility

Code Classification

ChapterN00–N99Diseases of the genitourinary system
SectionN40-N53Diseases of male genital organs
CategoryN46Male infertility
This CodeN46.8Other male infertility

Code EditsBilling

Medicare Code Editor checks that affect claim validity for N46.8.

Adult diagnoses
The Medicare Code Editor detects inconsistencies in adult cases by checking a patient's age and any diagnosis on the patient's record. The adult code edits apply to patients age range is 15–124 years inclusive (e.g., senile delirium, mature cataract).

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Abnormal spermatogenesis
  • Acquired male infertility
  • Acquired male infertility of endocrine origin
  • BIDS brittle hair-impaired intellect-decreased fertility-short stature syndrome
  • Congenital impairment of spermatozoa motility
  • Congenital male infertility
  • Congenitally impaired spermatogenesis
  • Disorder due to and following spinal cord injury
  • Dysspermatogenic sterility
  • Finding of spermatozoa morphology
  • Globozoospermia
  • Infertility associated with antisperm antibodies
  • Infertility associated with multi-tailed spermatozoa and excessive DNA
  • Infertility due to extratesticular cause
  • Male infertility due to antisperm antibody
  • Male infertility due to spinal cord injury
  • Male infertility of genetic origin
  • Male infertility with teratozoospermia due to single gene mutation
  • Male sterility
  • Normospermatogenic sterility
  • Sterility
  • Teratozoospermia
  • Trichothiodystrophy

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.

    • Infertility
      • male
        • specified type NEC

Clinical ClassificationClinical

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

CCSR GEN015
Male infertility
Default principal diagnosis: inpatient Yes · outpatient Yes

Clinical InformationClinical

  • Asthenozoospermia

    a condition in which the percentage of motile sperm is abnormally low.

  • Teratozoospermia

    conditions in which sperm show abnormal morphology.

  • Female Infertility

    infertility in a woman.

  • Male Infertility

    a condition where a man is unable to conceive a child due to genetic disorders, structural problems, hormonal imbalances, or lifestyle choices that negatively affect sperm production and/or transport.

  • Globozoospermia

    a rare but severe cause of male infertility. it is characterized by the presence of 100% round headed spermatozoa and lack of acrosomes.

Patient EducationClinical

Male Infertility

Infertility is a term doctors use if a man hasn't been able to get a woman pregnant after at least one year of trying. Causes of male infertility include:

Read the full article at MedlinePlus

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

Convert N46.8 to ICD-9-CMHistory

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

ICD-9-CM
606.8 Male infertility NEC
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 2017–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About N46.8Overview

Is N46.8 (Male infertility) a billable code?

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

What MS-DRG does N46.8 group to?

When other male infertility is the principal diagnosis on an inpatient stay, it groups to MS-DRG 729, 730, with relative weights from 0.6720 to 1.0587 depending on complications. Higher weights mean higher Medicare reimbursement.

Who can N46.8 be reported for?

The Medicare Code Editor checks other male infertility against patient demographics: this code is intended for adult patients (age 15 through 124). Claims outside these limits are flagged as inconsistent.

What is the ICD-9 equivalent of N46.8?

Under the General Equivalence Mappings, other male infertility converts to ICD-9-CM 606.8 (male infertility NEC). The mapping is approximate, so confirm the match fits the documentation.

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.