Home
HelpTest Code LAB1622 Parathyroid Hormone (PTH) with Calcium, Plasma or Serum
Additional Codes
| Test Name in EPIC | EPIC Test Code | Mnemonic |
|---|---|---|
| PTH, IMMUNOCHEM | LAB1622 | PTH |
Methodology
Chemiluminescent Microparticle Immunoassay (CMIA)
Specimen Requirements
Submit only 1 of the following specimens:
Preferred:
Specimen Type: Plasma
Container/Tube: Light-green top (lithium heparin gel)
Specimen Volume: 1 mL
Specimen Minimum Volume: 0.5 mL
Collection Instructions:
1. Grossly hemolyzed specimen is not acceptable.
2. If plunger filters are used, immediate removal of plasma is indicated unless an air gap can be created between the device and specimen.
3. Separate plasma from cells within 2 hours of draw.
Additional Information:
1. Avoid repeated freeze/thaw cycles.
2. Label specimen appropriately (plasma).
3. Regional sites send specimen refrigerated.
Alternate:
Specimen Type: Serum
Container/Tube: Serum gel
Specimen Volume: 1 mL
Specimen Minimum Volume: 0.5 mL
Collection Instructions:
1. Grossly hemolyzed specimen is not acceptable.
2. If plunger filters are used, immediate removal of serum is indicated unless an air gap can be created between the device and specimen.
3. Separate plasma from cells within 2 hours of draw.
Additional Information:
1. Avoid repeated freeze/thaw cycles.
2. Label specimen appropriately (serum).
3. Regional sites send specimen refrigerated.
Specimen Transport Temperature
Refrigerate 48 hours OK/Frozen OK/Ambient NO
Day(s) Test Set Up
Test is performed Monday through Sunday.
Performing Laboratory
| Minnesota | North Dakota |
|---|---|
| SMDC Clinical Lab (Duluth) | Fargo Hospital |
| St. Joseph's Medical Center (Brainerd) |
Test Classification and CPT Coding
82310-Calcium
83970-PTH
Reference Values
PTH
15-115 pg/mL
CALCIUM
See individual test listing.