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HelpEpic Code LAB108 Parathyroid Hormone (PTH) Intact
Test Name Alias
PTH Intact | 8621
Interface Order Alias
10770
Collection Instructions
Specimen Collection: Blood
Container(s): Gold Top (Serum Separator-SST Gel)
Preferred Volume to Collect: 5.0 mL
Minimum Volume to Collect: 2.0 mL
Neonate Volume to Collect: 1.0 mL
Capillary collect ok: Yes
Microtainer acceptable: Yes
Collection Instructions:
- Gently invert tube 8 - 10 times to mix clot activator with blood.
- Allow specimen to clot for 30 minutes
- Specimen should be processed within 2 hours – See Processing Instructions.
Processing Instructions (Laboratory, Outpatient or Off-site collection)
Processed Specimen: Serum
Centrifuge/Spin: Yes
Aliquot:
Processing Instructions:
- Allow blood to clot for 30 minutes in a vertical position and centrifuge within 2 hours.
- Minimum 1.0 mL serum (neonate 0.5 mL serum)
Transport Temperature: Refrigerate
Specimen Stability
Ambient: 8 hours
Refrigerate: 48 hours
Frozen: aliquot serum for longer storage
Laboratory Retention: 72 hours
Test Frequency
Available 24 hours, usual TAT 1 day.
Reference Range
18 Years to 150 Years: 15.0 - 65.0 pg/mL
Elevated PTH levels may be seen in hyperparathyroidism and can also be suggestive of vitamin D deficiency.
Performing Department
Chemistry
Performing Department Laboratory Location
Corewell Health Reference Laboratory, Grand Rapids, MI
Corewell Health Big Rapids Laboratory, Big Rapids, MI
Methodology
Method is Roche cobas Electrochemiluminescense Immunoassay.
Patient results determined by assays using different manufacturers for methods may not be comparable.
CPT
83970
CDM Code
3018397001
Epic Test ID
1230101102
LOINC
PTH Intact: 2731-8
Mayo Access Code
SHO8621
Additional Information
Grand Rapids Hospitals:
EDTA plasma is also acceptable at Spectrum Health Regional Laboratory (Grand Rapids) for use on intraoperative cases.
Reviewed Date
3/7/2024
Updated Date
3/15/2024 - Reference Range