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ICD-10 Code N77.1: Vaginitis, vulvitis and vulvovaginitis in diseases classified elsewhere

N77.1 is a billable ICD-10 diagnosis code used to classify Vaginitis, vulvitis and vulvovaginitis in diseases classified elsewhere in medical records and claims. You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records. ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Diseases of the genitourinary system (N00-N99).

What is this code?

ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Diseases of the genitourinary system (N00-N99).

When is it used?

  • May be used when a clinician documents vaginitis, vulvitis and vulvovaginitis in diseases classified elsewhere in a patient's medical record.
  • May appear in hospital records, claims, referrals, and clinical documentation.
  • This code can be used as a clinically usable diagnosis entry in standardized coding workflows.

What it does not mean

  • A code alone does not explain severity, treatment plan, or outcome.
  • A medical code should not be treated as a substitute for a doctor's diagnosis or advice.

Code hierarchy

chapter
14Diseases of the genitourinary system (N00-N99)
block
N70-N77Inflammatory diseases of female pelvic organs
category
N77Vulvovaginal ulceration and inflammation in diseases classified elsewhere
currentN77

Official coding notes

Applicable to
  • underlying disease, such as:
  • pinworm (B80)
Excludes1 (do not code together)
  • candidal vulvovaginitis (B37.3-)
  • chlamydial vulvovaginitis (A56.02)
  • gonococcal vulvovaginitis (A54.02)
  • herpesviral [herpes simplex] vulvovaginitis (A60.04)
  • trichomonal vulvovaginitis (A59.01)
  • tuberculous vulvovaginitis (A18.18)
  • vulvovaginitis in early syphilis (A51.0)
  • vulvovaginitis in late syphilis (A52.76)
Code first
  • underlying disease, such as:
  • pinworm (B80)

Where you may see this code

You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records.

Related specialists

UrologistGynecologist

Coverage-related procedures and services

CPT 0527Uhigh
HERPES SIMPLEX VIRUS (HSV) TYPES 1 AND 2 AND VARICELLA ZOSTER VIRUS (VZV), AMPLIFIED PROBE TECHNIQUE, EACH PATHOGEN REPORTED AS DETECTED OR NOT DETECTED
Source: CMS coverage guidance
CPT 0402Uhigh
INFECTIOUS AGENT (SEXUALLY TRANSMITTED INFECTION), CHLAMYDIA TRACHOMATIS, NEISSERIA GONORRHOEAE, TRICHOMONAS VAGINALIS, MYCOPLASMA GENITALIUM, MULTIPLEX AMPLIFIED PROBE TECHNIQUE, VAGINAL, ENDOCERVICAL, OR MALE URINE, EACH PATHOGEN REPORTED AS DETECTED OR NOT DETECTED
Source: CMS coverage guidance
CPT 87801high
INFECTIOUS AGENT DETECTION BY NUCLEIC ACID (DNA OR RNA), MULTIPLE ORGANISMS; AMPLIFIED PROBE(S) TECHNIQUE
Source: CMS coverage guidance
CPT 87800high
INFECTIOUS AGENT DETECTION BY NUCLEIC ACID (DNA OR RNA), MULTIPLE ORGANISMS; DIRECT PROBE(S) TECHNIQUE
Source: CMS coverage guidance
CPT 87494high
INFECTIOUS AGENT DETECTION BY NUCLEIC ACID (DNA OR RNA); CHLAMYDIA TRACHOMATIS AND NEISSERIA GONORRHOEAE, MULTIPLEX AMPLIFIED PROBE TECHNIQUE
Source: CMS coverage guidance
CPT 0455Uhigh
INFECTIOUS AGENTS (SEXUALLY TRANSMITTED INFECTION), CHLAMYDIA TRACHOMATIS, NEISSERIA GONORRHOEAE, AND TRICHOMONAS VAGINALIS, MULTIPLEX AMPLIFIED PROBE TECHNIQUE, VAGINAL, ENDOCERVICAL, GYNECOLOGICAL SPECIMENS, OROPHARYNGEAL SWABS, RECTAL SWABS, FEMALE OR MALE URINE, EACH PATHOGEN REPORTED AS DETECTED OR NOT DETECTED
Source: CMS coverage guidance

Coding guidelines

Compatibility

Legacy and official ICD code match exactly.
Legacy codes
N77.1

Common synonyms

Vaginitis, vulvitis and vulvovaginitis in diseases classified elsewhere

Frequently asked questions

Code details

CodeN77.1
SystemICD10
Display nameVaginitis, vulvitis and vulvovaginitis in diseases classified elsewhere
ChapterDiseases of the genitourinary system (N00-N99)
BlockInflammatory diseases of female pelvic organs

Flags

BillableYes
Valid clinical useYes

Source

SourceICD-10
Version2026-annual
Releaseannual
Year2026

Index terms

Matched terms
Vaginitis(acute) (circumscribed) (diffuse) (emphysematous) (nonvenereal) (ulcerative)

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from ICD-10. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.