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Test Code U Hex4 Urine Hexose Tetrasaccharide (Hex4)

Clinical System Name

Urine Hexose Tetrasaccharide (Hex4)

Synonyms

Hex4, Urine
Hexose Tetrasaccharide, Urine
Urine, Hex4

Sample Requirements

Specimen: Urine

Container(s): Sterile Screw-Capped Container

Preferred Vol: 1.0 mL

Minimum Vol: 0.5 mL

 

Note: Random urine.

Processing Instructions

Reject due to:

Spin: N

Aliquot: N

Temp: -20 C

Storage location: CRITICAL FROZEN. Do not freeze entire container. Aliquot 1.0 mL urine (no preservatives) into a Falcon tube, labeled with a large Cerner label. Place the aliquot in the -20 freezer Send Outs rack. May be stored at 4 C for up to 72 hours, thereafter must be stored frozen at -20 C.

 

Off-site collection:

Stability

Specimen Type Temperature Time
  Room temp

 

  Refrigerated  
  Frozen

Y

 

Availability

STAT Performed TAT
N Collected daily 2 w

 

Performing Laboratory

Duke University Hospital

Biochemical Genetics Laboratory

801 Capitola Drive, Suite 6

Durham, NC 27713

 

Phone: (919) 549-0445

Department

Department: Send Outs

Phone Number: (206) 987-2563

Reference Range

Interpretive report to be provided.
 

 

 

Methodology

Method: UPLC-MS/MS

Analytical Volume: None specified

Limitations:

CPT Codes

82570, 83789

 

 

 

Send Out Instructions

Reference Test Name: Hex4 (glucose tetrasaccharides; targeting the Glc4 fraction)
Reference Test Number:

 

Instructions:

Ship frozen samples overnight. Saturday deliveries are not acceptable.