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Megestrol Acetate Concentration in Serum

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

This test measures the amount of megestrol acetate, a synthetic steroid medication, in your blood serum. It may be used to monitor treatment levels or assess response to therapy.

Quick summary

["This test helps track how your body is responding to megestrol acetate therapy."]

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

Key facts at a glance

LOINC
101854-8
Short code
Megestrol Acetate Ur-sCnc
Synonyms
Megestrol Acetate Ur-sCnc
Category
chemistry
Sample
urine
Container
Sterile urine container
Units
N/A
Fasting
false
Population
adult
Sex
all
Age range
18–65 years
Specimen volume
10 mL
Stability
Room temperature: 2h, Refrigerated: 24h, Frozen: 7d
Hemolysis max
0
Lipemia max
0
Icterus max
0
TAT
4–24 hours
Order
routine

Why Is This Test Done?

Your healthcare provider may order this test if you’re taking megestrol acetate (e.g., for appetite stimulation, cancer treatment, or other conditions). It helps ensure the medication is working at the right level in your blood.

What Does the Test Involve?

A blood sample is drawn from a vein, usually in your arm. The sample is sent to a lab where it’s analyzed to measure megestrol acetate concentration.

What to Expect Before the Test

No special preparation is usually needed, but inform your provider about any medications or supplements you’re taking, as they could affect results.

What Are Possible Results?

Results are reported as a concentration (e.g., micrograms per milliliter). Your provider will interpret the value in relation to your medical needs and symptoms.

Clinical interpretation

How abnormal results are interpreted and what conditions they suggest.

◆Associated findings1

Short name

Megestrol Acetate Level

Frequently asked questions

Why might my provider check this test more often?
If you’re taking megestrol acetate long-term or for conditions requiring precise dosing (e.g., cancer), frequent monitoring may be needed to adjust your dose safely.
Could this test affect my other medications?
Yes, megestrol acetate can interact with other drugs, including some for diabetes, heart conditions, or blood pressure. Always share your full medication list with your provider.
What if my test results are outside the expected range?
Your provider will discuss next steps based on your results, which may include adjusting your dose, investigating other health factors, or exploring alternative treatments.
  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