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Menorrhagia Panel

Published: August 9, 2026Updated: August 16, 2026

A menorrhagia panel is a group of blood tests used to look for possible causes of heavy or prolonged menstrual bleeding, such as low blood counts, hormone imbalances, or bleeding problems.

Quick summary

["This panel helps your care team find out why your periods are heavy so they can recommend the right treatment."]

Medically reviewed by WellAlly Editorial TeamLast reviewed August 16, 2026Editorial policy

Key facts at a glance

LOINC
44791-2
Short code
Menorrhagia Pnl PPP
Synonyms
Menorrhagia Pnl PPP
Category
chemistry
Sample
serum
Container
Red-top tube (SST)
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Specimen volume
5 mL
Stability
Room temperature: 4h, Refrigerated: 24h, Frozen: 7d
Hemolysis max
500
Lipemia max
1000
Icterus max
500
TAT
4–24 hours
Order
routine

What This Panel Measures

A menorrhagia panel usually combines several individual tests rather than measuring a single substance. It commonly includes a complete blood count to check for anemia, tests of thyroid and other hormones linked to the menstrual cycle, and screening tests for how well your blood clots. The exact tests ordered can differ based on your symptoms, age, and medical history.

Why It May Be Ordered

Your clinician may order this panel if you have periods that soak through protection quickly, last longer than usual, or cause fatigue, weakness, or dizziness. It can also be checked when heavy bleeding affects daily life or when there is a family history of bleeding or clotting disorders.

How the Sample Is Collected

The panel is done with a routine blood draw, usually from a vein in your arm. In most cases you do not need special preparation, but if other specific tests are added, your clinician may ask you to fast or to schedule the draw on a particular day of your cycle.

What Results Can Show

Results can point toward low iron or anemia, a hormone imbalance, a thyroid problem, or a bleeding disorder. Sometimes results are normal, which still helps guide the next steps. Because this is a panel of several tests, each result is interpreted together rather than in isolation.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

◆Associated findings1

Frequently asked questions

Does a menorrhagia panel hurt?
It involves a standard blood draw, so you may feel a brief pinch when the needle goes in. The collection itself usually takes only a few minutes.
Do I need to fast before this test?
Not usually. Fasting is only needed if your clinician adds specific tests that require it, so follow the instructions you are given for your particular order.
Can the panel tell me exactly why my periods are heavy?
Not always. The panel can identify or rule out blood, hormone, and clotting causes, but structural causes may require imaging or other exams. Your clinician will combine these results with your history to reach a diagnosis.
  1. 1
    MedlinePlus — Laboratory TestsSource
  2. 2
    Lab Tests OnlineSource
  3. 3
    Mayo Clinic — Tests & ProceduresSource

Click any link to access the full source. PubMed Central (PMC) links provide free full-text access.

This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.

If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.

Medically reviewed by WellAlly Editorial Team Last reviewed August 16, 2026. · Read our editorial policy