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PTH, Intact
MessageParathyroid hormone (PTH) is synthesized by the chief cells of the parathyroid glands. PTH regulates calcium levels by concerted effect on three principal organs: bone, intestinal mucosa, and kidney.
Test Code
PTHI
Alias/See Also
LAB0001334
Parathyroid hormone
Parathyroid hormone
CPT Codes
83970
Preferred Specimen
2.0 mL serum collected in a gold serum separator tube (SST)
Minimum Volume
0.5 mL serum
Other Acceptable Specimens
2.0 mL serum collected in an orange rapid clot serum separator tube (RCT)
Specimen Stability
Store centrifuged samples tightly stoppered at room temperature 15 - 30oC for no longer than four hours. If the assay will not be completed within four hours, refrigerate the samples at 2 - 8oC. If the assay will not be completed within 48 hours, or for shipment of samples, freeze serum at -20oC or colder.
Reference Range
| Sex | Age | Reference Range |
|---|---|---|
| M/F | 0 -150 years | 12.0 - 88.0 pg/mL |
Performing Laboratory
Penn Medicine Lancaster General Health
