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Lab Test Dictionary

Chromogranin A, LC/MS/MS (31911)

Methodology

Chromatography/ Mass Spectrometry


Synonyms

CgA

Specimen Type

Serum

Performing Lab

Quest Diagnostics San Juan Capistrano


Epic ID

LAB00955

Lab Test Days

Monday-Saturday

Standard TAT

3-5 Days


Collection Information

Specimen Required

1-2 mL Blood

Container Type

Red Top (No Additive)


Processing Information - Lab Use Only

Transport Temperature

Frozen-Only

Specimen Stability

Room Temp=7 Days; Refrigerated=Unacceptable; Frozen=31 Days

Rejection Criteria

Serum Separator Tube (SST)

Test Volume Required

1 mL Serum

Minimum Test Volume

0.5 mL Serum

Processing Instructions

Do not store refrigerated. (Sample must not reach refrigerator temperature)


CPT Codes

86316


Revised

09-30-22

Initials

SA