Dietary supplements containing biotin may interfere in assays and may skew analyte results to be either falsely high or falsely low. For patients receiving the recommended daily doses of biotin, draw samples at least 8 hours following the last biotin supplementation. For patients on mega-doses of biotin supplements, draw samples at least 72 hours following the last biotin supplementation.

2.0 ml Serum 2-8 ?C

Maintain specimen at room temperature. Do not centrifuge. Note: This test is not appropriate for patients less than 6 months old due to interference by Hemoglobin F.

2.0 ml EDTA Blood, 2-8 ?C

Collection Instructions Collect sample in plastic tube. Promptly centrifuge and separate serum or plasma into an acid-washed, plastic screw-cap vial.

2.0 ml Serum 2-8 ?C (in ametal free tube)

Patient Preparation Avoid exposure to gadolinium based contrast media for 48 hours prior to sample collection Collection Instructions Protect from light

5.0 ml Serum ?or 10 mL urine 2-8 ?C

2.0 ml Serum 2-8 ?C

Patient Preparation Collect specimen 1 hour prior to next dose (12 hour trough)

2.0 ml EDTA Blood, 2-8 ?C

Skin Biopsy Biopsy Sample to be send in 10% formaline

Air dried smear

1.0 ml Serum 2-8 ?C

The collection container must be kept refrigerated or on ice during collection. No preservative is required. Instruct patient to void at 8 AM (or 8 PM) and discard the specimen. Then collect all the urine including the final specimen voided at the end of the 24-hour collection period (ie, 8 AM or 8 PM the following day). Refer to separate patient instructions for detailed 24-hour urine collection. Record the collection date/time and total volume on the specimen container and test requisition.

10.0 ml 24hrs urine 2-8 ?C no preservative

1.0 ml Serum 2-8 ?C

1.0 ml Serum 2-8 ?C

Swab

Encourage mid-stream samples to minimize contamination and improve accuracy. Label the sample appropriately and store at room temperature until pick-up.

24 urine collection

Semen in sterile container

Collection Instructions ???????Do not freeze whole blood specimens. Transport at room temperature.

5.0 ml EDTA Blood - Room Temperature

Collect specimens aseptically.

2.0 ml Sputum sample -2-8 ?C

Collection Information: Centrifuge and aliquot serum into a plastic vial. Do not submit in original tube.

1.0 ml Serum Frozen - Fasting

2.0x4.0 ml Heparine blood (strile)

Swab

5.0 ml Serum ?or 10 mL urine 2-8 ?C

Dry stone in sterile screw-cap container. Stones originating from sources not related to the kidney should be air-dried, then placed in a plastic tube or a urine collection cup. Do not use tape. Minute specimens may be placed in a gelatin capsule. Note: Primary stone containers will be stored for 21 days only.

Stone (calculus)

Collection Instructions Dry stone in sterile screw-cap container. Stones originating from sources not related to the kidney should be air-dried, then placed in a plastic tube or a urine collection cup. Do not use tape. Minute specimens may be placed in a gelatin capsule.

Stone (calculus)

Specimen should be submitted in stool culture preservative vial. Mix sample well. Fresh stool specimens in a sterile leak-proof container can be submitted and should reach the lab within 1 hour after collection or refrigerated up to 24 hours. Refer to separate patient instructions for detailed stool culture collection.

Fresh stool sample 2-8 ?C