PTH Intact with Calcium

Alphabetical Test listing

PTH Intact with Calcium-2317

Test name:

Test number:

2317

Excellian order number:

83970.0

Abbreviation:

PTH

Alternate names:

Parathyroid hormone
Parathormone

Tests included:

PTH
Calcium

Limitations:

Samples should not be taken from patients receiving therapy with high biotin doses (i.e. > 5 mg/day) until at least 8 hours following the last biotin administration.

Patient preparation information:

Fasting prior to sample collection is recommended

Fasting for a blood test

Specimen type:

Serum

Collection container:

Gold serum separator (SST) tube

Volume:

2.0 mL

Minimum volume:

0.5 mL

Collection instructions:

Immediately following collection, thoroughly mix sample by gently inverting 5 times

Processing instructions:

Allow sample to clot for a minimum of 30 minutes
Spin within two (2) hours of sample collection

Transport container:

Gold serum separator (SST) tube

Transport and stability:

Refrigerated (preferred) - 48 hours

Ambient - 8 hours

Frozen - 6 months

Reason for rejection:

Improper labels (unlabeled or mislabeled)
Hemolysis (some procedures)
Improper anticoagulant or ratio
Delay in transport
Improper storage temperature affecting results
Improper container
Leaking container resulting in compromised specimen
Quantity not sufficient (QNS)

Performing lab:

AHL - Chemistry: C

Days set up:

Daily

TAT:

1 - 2 days

Method:

Sandwich Chemiluminescence Immunoassay (CLIA)

Reference ranges:

PTH Intact: 15.0 - 65.0 pg/mL

Calcium:

0 up to 10 days:	7.6 - 10.4 mg/dL
10 days up to 2 years:	9.0 - 11.0 mg/dL
2 up to 12 years:	8.8 - 10.8 mg/dL
12 up to 18 years:	8.4 - 10.2 mg/dL
18 up to 60 years:	8.6 - 10.0 mg/dL
60 up to 999 years:	8.8 - 10.2 mg/dL

CPT codes:

83970

Date created:

11/30/2001

Revised date:

05/01/2024

Review date:

01/11/2024