NBS Profile (42P) > 1 Month

Test code

3358A

Specimen vol. and vacutainer information

Specimen stability information

Dried Blood Spot

Collection instructions

Test For More Than One Month Old Baby A. General Information Collection Time: Collect Sample 24 Hours After Birth Up To 14 Years Of Age.Specimen And Volume: 4 - 5 Whole Blood Spots On Whatman 903® Filter Paper; Fill All Circles With Blood. Do Not Layer Container: Whatman 903® Filter Paper Storage And Shipping Temperature: Allow Blood To Dry 3 - 4 Hrs Before Packing. Store The Sample In A Ziplock© Or Equivalent Bag At Room Temperature Or 2-8°C . Ship The Sample In The Ziplock Or Equivalent At Room Temperature Or Cold B. Sample Acceptability Special Instructions: 1. Blood Collection By Heel-Stick Directly Onto Filter Paper Upto 18 Months After Birth 2. Blood Collection By Finger-Stick Directly Onto Filter Paper After 18 Months Of Age 3. Venous Blood From A Central Line Is Acceptable (Do Not Apply Blood To Filter Paper With A Needle As Hemolysed Samples Are Not Acceptable). 4. All The Requested Details(Birth Date, Birth Weight, Birth Time,Collection Time/ Date, Feeding, Status Ethnic & Medication) On The Newborn Screen Card Should Be Mentioned Properly. C. Rejection Criteria 1. Samples Collected Less Than 72-96 Hours After Blood Transfusion (If The Patient Has Been Transfused With Whole Blood, Wait 72-96 Hours Before Collection Of Sample). 2. Samples Collected While The Patient Is On Intravenous Fluid (If The Patient Is On Intravenous Fluids Wait 2 Weeks Before Collection Of Sample. If The Patient Has Stopped Intravenous Fluid Wait 2 Days Before Collection Of Sample). 3. Scratched And Abraded, Contaminated, Layered, Super-Saturated Spots, Unsaturated Spots, Samples Containing Edta, Samples With Plasma Rings Around Them, Hemolysed Samples. 4. A Baby On Iv Fluids And On A Ventilator Is Not A Good Specimen For Nbs. Sample Should Be Collected > 48 Hrs After Oral Feeding Is Established. 5.Samples Should Not Be Collected Immediately After Birth.They Should Be Collected > 48Hrs After Oral Feeding (Breast Feed/ Bottle Feed) Is Established. 6. Freezing And Thawing Will Cause The Red Blood Cells To Burst (Hemolysis) And That Will Affect The Results. So The Answer Is No, Not Acceptable For MS/MS Screening.

Specimen rejection criteria

Test run frequency

'

Turn around time

3 Working Days

Department

• Local Send Out