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Home/Diagnosis/ICD-10 Coding for Missed Menses

ICD-10 Coding for Missed Menses

N91.0
N91.1

Complete ICD-10-CM coding and documentation guide for icd-10 coding for missed menses includes clinical validation requirements, medical necessity guidelines, and coding policies.

Also Known as:
Amenorrhea
Absence of Menstruation
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Key Information: ICD-10 Coding for Missed Menses

Essential facts and insights about ICD-10 Coding for Missed Menses

Use ICD-10 code N91.0 for primary amenorrhea, ensuring proper documentation in clinical notes.

Primary ICD-10-CM Codes

Primary amenorrhea

Billable Code
N91.0
Billable

Diagnostic Criteria

  • • No menarche by age 15 with secondary sexual characteristics
  • • No menarche by age 16 regardless of puberty status

Applicable To

  • • No menarche by age 15 with secondary sexual characteristics
  • • No menarche by age 16 regardless of puberty status

Important Notes

  • • Ensure thorough documentation of puberty development and any underlying conditions.

Secondary amenorrhea

Billable Code
N91.1
Billable

Diagnostic Criteria

  • • Cessation of menstruation for 3 or more months in a previously menstruating woman

Important Notes

  • • Ensure exclusion of pregnancy and menopause through appropriate testing.
Ancillary Codes

Additional codes that may be used with this diagnosis

E28.3

Polycystic ovarian syndrome

Use when PCOS is confirmed as the underlying cause.

Frequently Asked Questions

What is the ICD-10 code for missed menses?

The ICD-10 codes for missed menses include N91.0 for primary amenorrhea and N91.1 for secondary amenorrhea, depending on the clinical presentation.

How is secondary amenorrhea coded?

Secondary amenorrhea is coded as N91.1 in ICD-10, used for patients who have missed three or more consecutive menstrual cycles after previously having regular periods.

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