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v1.0.0
ICD-10 Guide
DiagnosesMenstrual Pain

Menstrual Pain

ICD-10 Coding for Menstrual Pain(N94.4, N94.5, R10.2)

PRIMARY SPECIALTYOB/GYN
COMPLEXITYHigh
LAST UPDATED09/15/2025
Sam Tuffun, PT, DPT
Physical Therapist | Medical Coding & Billing Contributor

Diagnosis Overview

What is Menstrual Pain?
Essential facts and insights about Menstrual Pain

Key Clinical Considerations:

  • Dysmenorrhea (pain during menstruation), pelvic pain, lower abdominal cramps
  • Pelvic ultrasound, laparoscopy, hormonal assessments
  • Tenderness in the lower abdomen, possible cervical motion tenderness

Clinical Information

Clinical Criteria & Documentation Requirements

  • Patient history of menstrual cycles, pain severity and duration, response to treatment
  • ICD-10 terminology: N94.6 (Primary dysmenorrhea), N94.5 (Secondary dysmenorrhea)
  • Example: 'Patient reports severe cramping during menses, lasting 2-3 days, with no relief from NSAIDs.'

Coding Guidelines

Usage Guidelines & Examples

  • Follow guidelines for distinguishing between primary and secondary dysmenorrhea.
  • Common errors include misclassifying primary dysmenorrhea as secondary.

Code Exclusions

Important Exclusions

  • Endometriosis, uterine fibroids, pelvic inflammatory disease
  • Alternative codes for related conditions should be considered if applicable.

Related ICD-10 Codes

Primary Codes
N94.6
Primary dysmenorrhea
N94.5
Secondary dysmenorrhea
Ancillary Codes
R10.31
N80.0
Differential Codes
N94.5
N94.4
N94.89

Related CPT Codes

CPT codes will be available in a future update.

Specialty Focus

Primary Specialty

OB/GYN

Specialty Applications

  • Women of reproductive age, adolescents, patients with chronic pelvic pain
  • OB/GYN clinics, primary care settings

Coding Complexity

High Complexity

This diagnosis requires careful attention to:

  • Comprehensive clinical documentation
  • Accurate code selection based on clinical criteria
  • Proper exclusion considerations
  • Specialty-specific coding guidelines

Documentation

Documentation Templates

Billing Information

Billing Considerations

  • Ensure proper documentation for billing
  • Verify code specificity requirements
  • Check for any additional codes needed
  • Review payer-specific guidelines

Common Issues

  • Insufficient clinical documentation
  • Incorrect code selection
  • Missing supporting diagnoses
  • Timing and frequency documentation

Frequently Asked Questions

Documentation requirements?

Include detailed pain history, treatment response, and any relevant imaging results.

Billing considerations?

Ensure accurate coding based on the type of dysmenorrhea and document any associated conditions.