N92.1 Excessive and frequent menstruation with irregular cycle

Billable ICD-10-CM code, FY2026.

Applicable to

• Irregular intermenstrual bleeding
• Irregular, shortened intervals between menstrual bleeding
• Menometrorrhagia
• Metrorrhagia

Applies from N92 Excessive, frequent and irregular menstruation

Excludes1 (never code together)

• postmenopausal bleeding (N95.0)
• precocious puberty (menstruation) (E30.1)

MS-DRG index

Defines the logic of DRG(s) 742-743 in MDC 13.

Approximate ICD-9-CM (GEMs)

• 626.6 Metrorrhagia

Code annotations containing back-references to N92.1

Back-references to N92.1

• Type 1 Excludes: N92.6 Irregular menstruation, unspecified ("shortened intervals or excessive bleeding (N92.1)")

Diagnosis Index entries for N92.1

• Bleeding › intermenstrual (regular) › irregular
• Excess, excessive, excessively › menstruation (with regular cycle) › with irregular cycle
• Hemorrhage, hemorrhagic (concealed) › intermenstrual (regular) › irregular
• Hemorrhage, hemorrhagic (concealed) › uterus, uterine (abnormal) › intermenstrual (regular) › irregular
• Menometrorrhagia
• Menstruation › excessive (with regular cycle) › with irregular cycle
• Metrorrhagia
• Periods › shortened intervals (irregular)
• Spots, spotting (in) (of) › intermenstrual (regular) › irregular

Nearby codes

• N92 Excessive, frequent and irregular menstruation
• N92.0 Excessive and frequent menstruation with regular cycle
• N92.1 Excessive and frequent menstruation with irregular cycle (this code)
• N92.2 Excessive menstruation at puberty
• N92.3 Ovulation bleeding
• N92.4 Excessive bleeding in the premenopausal period
• N92.5 Other specified irregular menstruation
• N92.6 Irregular menstruation, unspecified