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ICD-10 Coding for Menstrual Cramping(N94.4, N94.5, N94.6)

Complete ICD-10-CM coding and documentation guide for Menstrual Cramping. Includes clinical validation requirements, documentation requirements, and coding pitfalls.

Also known as:

DysmenorrheaMenstrual Pain

Related ICD-10 Code Ranges

Complete code families applicable to Menstrual Cramping

N94.4-N94.6Primary Range

Pain and other conditions associated with female genital organs and menstrual cycle

This range includes codes for primary, secondary, and unspecified dysmenorrhea.

Code Comparison: When to Use Each Code

Compare key differences between these codes to ensure accurate selection

CodeDescriptionWhen to UseKey Documentation
N94.4Primary dysmenorrheaUse when menstrual pain occurs without any identifiable pelvic pathology.
  • Negative pelvic imaging within 2 years
  • Normal pelvic exam
  • Age <25
N94.5Secondary dysmenorrheaUse when menstrual pain is due to an identifiable underlying condition.
  • Laparoscopy/pathology reports
  • Characteristic MRI findings
  • CA-125 >35
N94.6Dysmenorrhea, unspecifiedUse when the cause of menstrual pain is unclear and further evaluation is pending.
  • Documentation of deferred workup
  • Patient refusal statement signed

Clinical Decision Support

Always review the patient's clinical documentation thoroughly. When in doubt, choose the more specific code and ensure documentation supports it.

Key Information: ICD-10 code for menstrual cramping

Essential facts and insights about Menstrual Cramping

The ICD-10 code for primary menstrual cramping is N94.4, while secondary cramping due to underlying conditions is coded as N94.5.

Primary ICD-10-CM Codes for menstrual cramping

Primary dysmenorrhea
Billable Code

Decision Criteria

clinical Criteria

  • No identifiable pelvic pathology

Applicable To

  • Menstrual pain without underlying pathology

Excludes

  • Secondary dysmenorrhea (N94.5)

Clinical Validation Requirements

  • Negative pelvic imaging within 2 years
  • Normal pelvic exam
  • Age <25

Code-Specific Risks

  • Using without imaging in patients >30yo

Coding Notes

  • Ensure documentation specifies absence of underlying conditions.

Differential Codes

Alternative codes to consider when ruling out similar conditions to the primary diagnosis.

Secondary dysmenorrhea

N94.5
Presence of underlying pelvic pathology such as endometriosis.

Primary dysmenorrhea

N94.4
No underlying pelvic pathology.

Documentation & Coding Risks

Avoid these common documentation and coding issues when documenting Menstrual Cramping to ensure proper reimbursement, maintain compliance, and reduce audit risk. These guidelines are particularly important when using ICD-10 code N94.4.

Impact

Clinical: Inaccurate treatment planning, Regulatory: Non-compliance with coding standards, Financial: Potential claim denials

Mitigation Strategy

Thorough patient history, Comprehensive diagnostic workup

Impact

Reimbursement: Incorrect coding may lead to denied claims., Compliance: Non-compliance with coding guidelines., Data Quality: Inaccurate data on patient conditions.

Mitigation Strategy

Use N94.5 with appropriate documentation of the underlying condition.

Impact

Frequent use of unspecified codes without justification can trigger audits.

Mitigation Strategy

Ensure documentation supports the use of unspecified codes and pursue further diagnostics.

Documentation errors, coding pitfalls, and audit risks are interconnected aspects of medical coding and billing. Addressing all three areas helps ensure accurate coding, optimal reimbursement, and regulatory compliance.

Frequently Asked Questions

Common questions about ICD-10 coding for Menstrual Cramping, with expert answers to help guide accurate code selection and documentation.

Documentation Templates for Menstrual Cramping

Use these documentation templates to ensure complete and accurate documentation for Menstrual Cramping. These templates include all required elements for proper coding and billing.

Menstrual cramping evaluation

Specialty: Gynecology

Required Elements

  • Menstrual history
  • Pain characteristics
  • Pelvic imaging results
  • Differential diagnosis

Example Documentation

Nulliparous 22yo presents with midline cramping beginning 12hrs prior to menses lasting 3 days, VAS 7/10. Pelvic ultrasound shows normal uterine anatomy. No evidence of endometriosis. Diagnosis: Primary dysmenorrhea.

Examples: Poor vs. Good Documentation

Poor Documentation Example
Dysmenorrhea - continue OCPs
Good Documentation Example
Dysmenorrhea with characteristic prostaglandin-mediated cramping starting 24hrs pre-menses. TVUS shows no structural abnormalities. Patient declines laparoscopic evaluation. Dx: Primary dysmenorrhea (N94.4).
Explanation
The good example provides detailed clinical findings and patient decisions, supporting the diagnosis.

Need help with ICD-10 coding for Menstrual Cramping? Ask your questions below.

Ask about any ICD-10 CM code, or paste a medical note

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