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Test Code CPEPT C-Peptide, Serum or Plasma

Performing Laboratory

Huntsville Hospital Laboratory

Methodology

Chemiluminescence

Specimen Requirements

Container/Tube:

Preferred: Lithium heparin (light green-top)

Acceptable: Serum Gel

 Draw blood, spin down and send 1 mL of plasma or serum.

If there is a delay in transport of >24 hours, send specimen frozen in plastic vial.

Specimen Stability Information

 

Specimen Type

Temperature

Time

Plasma,lithium heparin / Serum RT, spun

4 hrs

  Refrig., spun

24 hrs

 

Reject Due To

 

Hemolysis

Mild:

ok

Gross:

Reject

Lipemia

Mild:

ok

Gross:

ok

Icterus

Mild:

ok

Gross:

ok

 

Reference Values

1.1 - 4.40 ng/mL

Day(s) Test Set Up

Monday through Sunday

CPT Coding

84681

Secondary ID

HHA1459

LOINC Coding

Test Name LOINC Code

C-Peptide, Serum or Plasma

1986-9