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N92.2 - Excessive and Irregular Menstruation
N92.2 is an ICD-10 code for excessive and irregular menstruation. Periods occur at intervals of less than 21 days and may vary in intensity and duration.
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N92.2 is an ICD-10 code for excessive and irregular menstruation. Periods occur at intervals of less than 21 days and may vary in intensity and duration.
Definition and ICD-10 Classification
N92.2 is a diagnostic code from the International Classification of Diseases (ICD-10) and refers to excessive menstruation with irregular cycle. In this condition, menstruation occurs at intervals of fewer than 21 days without a recognizable regular pattern. Medically, this is associated with the term polymenorrhea combined with cycle irregularity.
Causes
Excessively frequent and irregular menstruation can have various underlying causes:
- Hormonal imbalances: Disruptions in the estrogen-progesterone balance or dysfunction of the hypothalamic-pituitary axis
- Thyroid disorders: Both hypothyroidism and hyperthyroidism can affect the menstrual cycle
- Polycystic ovary syndrome (PCOS): A common cause of cycle irregularities in women of reproductive age
- Uterine conditions: Fibroids, polyps, or endometriosis can cause irregular bleeding patterns
- Stress and weight changes: Severe psychological stress, extreme weight loss or weight gain
- Perimenopause: In the years leading up to menopause, irregular cycles are common
- Coagulation disorders: Conditions that impair blood clotting
Symptoms
Typical signs associated with a diagnosis of N92.2 include:
- Menstruation occurring at intervals of fewer than 21 days
- Unpredictable, irregular bleeding intervals
- Varying intensity and duration of bleeding
- Possible accompanying complaints such as pelvic pain or fatigue
- In cases of heavy blood loss: signs of iron-deficiency anemia (tiredness, pallor, dizziness)
Diagnosis
To identify the underlying cause, the treating physician will typically perform the following investigations:
- Detailed medical history: Menstrual diary, current medications, family history of gynecological conditions
- Gynecological examination: Physical examination and transvaginal ultrasound to assess the uterus and ovaries
- Blood tests: Hormone levels (FSH, LH, estradiol, progesterone, testosterone), thyroid function (TSH), full blood count, and coagulation parameters
- Hysteroscopy: Direct visualization of the uterine cavity when organic causes such as polyps or fibroids are suspected
- Endometrial biopsy: Tissue sampling from the uterine lining to rule out pathological changes
Treatment
Treatment depends on the underlying cause and the severity of symptoms experienced by the patient:
Hormonal Therapy
In cases of hormonal imbalance, targeted hormone therapy may be prescribed. Combined oral contraceptives can help regulate the cycle and stabilize bleeding patterns. A hormonal intrauterine device (IUD) may also reduce the frequency and intensity of bleeding.
Treatment of Underlying Conditions
If a thyroid disorder, PCOS, or another systemic condition is identified, treating that condition is the primary focus. This may involve medication or, in some cases, surgical intervention.
Surgical Options
When fibroids, polyps, or other structural abnormalities are found, surgical removal via hysteroscopy or laparoscopy may be recommended.
General Measures
Stress reduction, achieving a healthy body weight, and a balanced diet can also contribute to cycle stabilization. If heavy blood loss has led to iron deficiency, iron supplementation may be necessary.
When to See a Doctor?
Medical advice should be sought if:
- Menstruation regularly occurs at intervals of fewer than 21 days
- Bleeding is very heavy or involves blood clots
- Symptoms such as significant fatigue, dizziness, or severe pain are present
- There is an unfulfilled desire to become pregnant
References
- World Health Organization (WHO) - ICD-10 Version 2019: N92 Excessive, frequent or irregular menstruation. https://icd.who.int/
- Munro MG et al. - FIGO classification system (PALM-COEIN) for causes of abnormal uterine bleeding in nongravid women of reproductive age. International Journal of Gynaecology and Obstetrics, 2011; 113(1): 3-13.
- American College of Obstetricians and Gynecologists (ACOG) - Practice Bulletin No. 136: Management of Abnormal Uterine Bleeding Associated with Ovulatory Dysfunction (2013, reaffirmed 2022). https://www.acog.org/
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