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* Parathyroid Hormone, Intact, Intra-Operative

Mnemonic

_PTHIO

Synonym

PTHI Intra-operative - PTH Intact - PTHI - PTH - PTHIO

Includes

Intact PTH, Intra-operative

Guidelines

IMPORTANT: PTHIO must be scheduled with Legacy Emanuel, Legacy Good Samaritan, or Legacy Salmon Creek Laboratories at least 48 hours before surgery.

Specimen Collection Requirements

Collect

Plasma, one 4.0 mL lavender (EDTA) top tube

Supply Item Number - 158386

See Access 2 PTHIO Day of Surgery Guide for complete collection instructions

Handling

Centrifuge and remove plasma from cells within 2 hours of collection. Transfer plasma to a separate labeled aliquot tube. Do not freeze prior to analysis.

Preferred Volume

1.0 mL EDTA plasma

Minimum Volume

0.5 mL EDTA Plasma (1.2 mL minimum whole blood)

Transport

Room Temperature (18-26°C) or Refrigerated (2-8°C)

Rejection Criteria

Grossly hemolyzed specimens

Stability

AFTER REMOVAL FROM CELLS: Room Temperature (18-26°C): 8 hours; Refrigerated (2-8°C): 2 days; Frozen (≤ -20°C): 6 months

Testing Information

Performed

Legacy Emanuel, Legacy Good Samaritan, and Legacy Salmon Creek Laboratories Only; Mon-Fri when scheduled 48 hours in advance

Reported

30 minutes

Method

Chemiluminescent Immunoassay

Reference Values

Reference Values

ADULTS:    12-88 pg/mL
PEDIATRICS:    Not established

Comments

Contact the laboratory for Scheduling Forms.

CPT Codes

83970

Last Updated: Thursday, February 11, 2021 10:25:29 PM


Client Services: 503-413-1234