Sign in →

Test Code PTH-Intact Intact PTH

Aliases

Parathyroid Hormone Intact

Minimum Volume

  • Adult: 1 mL
  • Pediatric: 0.8 mL

Preferred Specimen

Plasma (K2 EDTA)

Acceptable Specimens

Serum:

  • Red top


Plasma:

  • Pink or Purple Top (K2/K3 EDTA)

Reference or Target Ranges

18.4 – 80.1 pg/mL

Reportable Units

pg/mL

Critical Value

Not defined for this assay

Reasons for Rejection

 


<!-- Rejection-->

 

Hemolysis Threshold 500mg/dL
Icterus Threshold 60 mg/dL
Lipemia Threshold 3000 mg/dL
Other QNS, contaminated, improperly Labeled, improper specimen type

Specimen Stability

 


<!-- Stability -->

 

Ambient Plasma: 2 days
Serum: 8 hours
Refrigerated (4°C to 8°C) Plasma: 3 days
K2/K3-EDTA whole blood: 48 hours
Serum: 48 hours
Frozen(-40°C to 0°C) Plasma or Serum: 6 months

Performance Information

 


<!-- Performance information -->

 

Days and Time Performed 24/7
Expected Turn Around Time Stat: 1 hour
Routine: 4 hours
Stat Availability Yes
Performing Bench UH Chemistry
Methodology/Method Description Siemens Atellica - ImmunoAssay

CPT Codes

83970