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Parathyroid Hormone (Intact)

Centralized Core Laboratory : Chemistry

Test ID/Workstation :
PTH ACHM4
Specimen Type:
Blood
Tube Type:
Purple top (EDTA) tube
Collection Volume:
2.5 mL (minimum 1.0 mL)
Cause for Rejection:
Any degree of hemolysis is cause for rejection.
Storage:
2 days at 15-25 °C; 3 days at 2-8 °C; 6 months at -20 °C(+/- 5 °C)
Methodology:
Electrochemiluminescence
Special Instructions:
Patients taking a biotin dose of up to 5 mg/day should refrain from taking biotin for 4 hours prior to sample collection. Patients taking a biotin dose of 5 to 10 mg/day should refrain from taking biotin for 8 hours prior to sample collection. Patients taking a biotin dose > 10 mg/day should consult with their physician or the laboratory prior to having a sample taken. Clinicians should consider biotin interference as a source of error, when clinically suspicious of the laboratory result.
Lab/Phone:
330-543-8418
TAT:
Surgery 30 minutes; Routine 48 hours
Additional Info:
Reference range:
  • 0-365 days 4-61 pg/mL
  • 1 + Years 11-61 pg/mL
  • CPT Code:
    83970
    Synonyms:
    Intact Parathyroid Hormone