2026 ICD-10-CM Diagnosis Code N93.1Pre-pubertal vaginal bleeding

ICD-10-CM Codes›N00–N99›N80-N98›N93

ICD-10-CM N93.1
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

N93.1 is a billable ICD-10-CM diagnosis code for pre-pubertal vaginal bleeding. 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. Coders also document this condition as abnormal vaginal bleeding. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Other specified female genital disorders.

Code Identity

ICD-10-CM Code
N93.1
Billable Status
Yes — Valid for Submission
Code Describes
Pre-pubertal vaginal bleeding
Short Description
Pre-pubertal vaginal bleeding
Same as the full description in the CMS dataset.
Parent Code
N93
Other abnormal uterine and vaginal bleeding

Code Classification

ChapterN00–N99Diseases of the genitourinary system
SectionN80-N98Noninflammatory disorders of female genital tract
CategoryN93Other abnormal uterine and vaginal bleeding
This CodeN93.1Pre-pubertal vaginal bleeding

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Abnormal vaginal bleeding
  • Prepubertal bleeding from vagina

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.

    • Bleeding
      • pre-pubertal vaginal
    • Bleeding
      • vagina, vaginal (abnormal)
        • pre-pubertal

Clinical ClassificationClinical

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

CCSR GEN025
Other specified female genital disorders
Default principal diagnosis: inpatient Yes · outpatient Yes

Patient EducationClinical

Vaginal Bleeding

Menstruation, or period, is a woman's monthly bleeding. Abnormal vaginal bleeding is different from normal menstrual periods. It could be bleeding that is between periods, is very heavy, or lasts much longer than usual. It also includes bleeding that happens before puberty or after menopause. Causes can include:

Read the full article at MedlinePlus

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

Convert N93.1 to ICD-9-CMHistory

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

ICD-9-CM
626.8 Menstrual disorder NEC
Approximate The match is approximate rather than exact.

Code HistoryHistory

FY 2018AddedAdded to the ICD-10-CM code setEffective October 1, 2017.
FY 2019–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About N93.1Overview

Is N93.1 (Other abnormal uterine and vaginal bleeding) a billable code?

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

What MS-DRG does N93.1 group to?

When pre-pubertal vaginal bleeding 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 N93.1?

Under the General Equivalence Mappings, pre-pubertal vaginal bleeding converts to ICD-9-CM 626.8 (menstrual disorder 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.