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Aug 31, 2017

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Clinical Hub,Tools & Resources,UWHC Lab Test Directory,Ref Lab- Miscellaneous

Tripeptidyl Peptidase 1 WBC (CLN2)

Tripeptidyl Peptidase 1 WBC (CLN2) (HCCLN2) Ref Lab- Miscellaneous Lab Test

Name: Tripeptidyl Peptidase 1 WBC (CLN2)

Test Name: Tripeptidyl Peptidase 1 WBC (CLN2)

Health Link Test Code: HCCLN2

LIS Test Code: CLN2

Methodology: Enzymatic

Clinical Information:

Useful in diagnosis of NCL due to TPP deficiency in a symptomatic patient, primarily the infantile-onset form. This test is not for carrier testing.

Testing Site: Testing will be sent to an approved reference laboratory

Days Performed: Once a week.

In-Lab Turnaround Time: 8 - 12 days.

Specimen: Blood

Collection Container: Yellow top(with ACD-A/B anticoagulant)

Also Acceptable: Green top (with sodium heparin anticoagulant)

Collection Instructions:

This blood must be received and processed by performing lab within 24 hours of collection. Blood must be received by the Laboratory Monday-Thursday before 1200. Filter paper blood spots may be submitted if shipping will be delayed or if 5-10 mL blood cannot be drawn. Filter paper may be obtained from UWHC Client Services at (608) 263-7060.

Collection Volume: 10 mL

Pediatric Collection Volume: 5 mL

Stability Ambient:

24 hours

Stability Refridgerated:

Not acceptable

Stability Frozen:

Not acceptable

Sample Analyzed: Whole Blood

Testing Volume: 10 mL

Pediatric Testing Volume: See collection instructions.

Specimen Transport:

Transport specimen to UWHC Hospital Laboratory.

Unacceptable Criteria:

Spun or frozen blood.

Interpretation:

Interpretation provided with results.