Ca-125 – [Serum]

Description

Test overview
CA-125 (cancer antigen 125) is a high–molecular-weight glycoprotein measured in serum by immunoassay. Originally identified as a marker for epithelial ovarian carcinoma, CA-125 is now used to assist in diagnosis, monitor therapy, and detect recurrence in gynecologic and select non-gynecologic malignancies.

Parameter Details
Analyte Cancer antigen 125 (CA-125)
Specimen type Serum (preferably clotted blood, separated within 2 h)
Collection requirements 5 mL blood, serum separator tube; avoid hemolysis; store and transport at 2–8 °C; centrifuge within 2 h.
Assay methodology Automated chemiluminescent immunoassay (CLIA) or electrochemiluminescent immunoassay (ECLIA).
Turn-around time 1–2 working days
Reference range ≤ 35 U/mL (adult female); values may vary by method and laboratory.

Packaging Instructions

Fasting Blood Tests (e.g., Blood Sugar, Cholesterol, Lipid Profile)

Do not eat or drink anything except water for 8–12 hours before your sample collection.
Avoid alcohol and fatty foods 24 hours before your sample collection.
🔹 Urine & Stool Tests

Collect the sample in a sterile container.
Avoid taking antibiotics or medications unless advised by your doctor.
Drink plenty of water before a urine sample collection for easier collection.
🔹 Pregnancy Test (Urine or Blood hCG Test)

A morning urine sample is preferred for the most accurate results.
For blood sample, no fasting is required.
🔹 Liver & Kidney Function Tests

Avoid alcohol and high-protein foods 12–24 hours before your sample collection.
Stay hydrated and avoid excessive exercise before the your sample collection.
🔹 ECG & CardiacTests

Avoid caffeine or energy drinks at least 3 hours before your sample collection.
Wear loose, comfortable clothing for easy placement of electrodes.
🔹 X-Ray & Imaging Tests

Remove any metallic items (jewelry, belts, etc.) before your sample collection.
Inform the radiologist if you are pregnant or suspect pregnancy.
🔹Sample Transportation

Samples are to be transported in a triple package format:

Wrap the primary sample container (I.e respective sample bottle EDTA, SST …)

Place the primary container uprightly in a water-tight secondary container (the secondary container could be a Falcon tube or something similar)

Place the secondary container into an outer package (A sample biohazard bag), while ensuring this bag is well sealed to preserve sample integrity.

Note all samples are expected to come with indicating patient name, Sex, Age, Test Required.

Blood samples will be transported on cold chain.

Swab samples will be transported on room temperature, that is it should not be placed on cold chain.

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