PREGNENOLONE BY LC-MS/MS, SERUM OR PLASMA

Mnemonic

PREGNLONE

Specimen Collection Requirements

Collect

Serum, one 4 mL gold (SST) top tube. Also acceptable: Plasma, lavender (EDTA), pink (K2EDTA), or green (sodium or lithium heparin) top tube.

Handling

CRITICAL FROZEN. Additional specimens must be submitted when multiple tests are ordered. Serum or plasma should be separated from cells and frozen immediately after collection.

Preferred Volume

0.5 mL serum or plasma in each of two aliquots

Minimum Volume

0.25 mL/container 

Transport

Frozen

Rejection Criteria

Ambient or refrigerated specimens

Stability

AFTER SEPARATION FROM CELLS: Ambient: Unacceptable; Refrigerated: Unacceptable; Frozen: 6 months

Testing Information

Performed

Mon - Fri

Reported

2-6 days

Method

LC-MS/MS

Referral Lab

ARUP (0092334)

Reference Values

Reference Values

Interpretation provided.

CPT Codes

84140

Last Updated: Thursday, January 5, 2017 03:42:25 AM