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Test Code Pterins U Urine Pterins

Important Note

This testing replaces PKU Cofactor Variant Screening at Perkin Elmer.

Additional Codes

PterinsUr

Urine Pterins

Clinical System Name

Urine Pterins

Synonyms

Neopterin

Biopterin

Pteridine Profiling, Urine

Pterins

PKU Cofactor

Sample Requirements

Specimen: Urine

Container(s): Sterile Container (PROTECT FROM LIGHT)

Preferred Vol: 2 mL

Minimum Vol: 1 mL

 

Note: Protect sample from light and send to lab immediately.

Processing Instructions

Reject due to: NA, forward to Send Outs

Spin: N

Aliquot: Y (aliquot into amber vial)

Temp: -20 C

Storage location: Place light-protected urine sample in the -20 CPA freezer, Send Outs rack.

Stability

Specimen Type Temperature Time
  Room temp  
  Refrigerated  
  Frozen  

 

Availability

STAT Performed TAT
N M - F 0800-1700 12-15 d

 

Performing Laboratory

University of Illinois Medical Center

Biochemical Genetics

820 S. Wood, Rm 337 Bldg 911 CSN

Chicago, IL 60612

 

Phone Number: (312) 995-5326

 

Department

Department:   Send Outs

Phone Number: (206) 987-2563

 

Reference Range

Pterins Qualitative, Urine Neopterin/biopterin ratio: 0.3-3.0

 

Methodology

Pterins Qualitative, Urine

Method: High performance liquid chromatography (HPLC)

 

 

 

CPT Codes

82486

Send Out Instructions

 

Reference Test Name:

Urine Pterins

Reference Test Number:  
Instructions: Ship to University of Illinois via FedEx.