Chromogranin A, LC/MS/MS QCHRA

Method(s) Chromatography/Mass Spectrometry
Synonym CgA
Specimen Required
Collect

One 5 mL plain red (no gel) top tube.

Transport

Transfer 1 mL frozen (Min: 0.5 mL).

* Collection Instructions *

  • Collect blood in a standard red-top serum vacutainer tube.
  • Allow blood to clot at room temperature.
  • Centrifuge and separate the serum from the cells immediately.
  • Do not store refrigerated.
Stability

Ambient: 7 days

Refrigerated: Unacceptable

Frozen: 31 days

Unacceptable Conditions
  • Gross hemoysis
  • Unspun red-top (no gel) tubes
  • Serum separator tube (SST)
Schedule Mon-Sat; Report available: 6-8 days
Billing Code 9011126
CPTCode 86316
Notes Performing Laboratory Quest Diagnostics Nichols Institute-San Juan Capistrano, CA
Preferred Specimen Collection Device(s)
Reference Interval

Adults - less than 311 ng/mL

No Appointment Necessary
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12 Patient Service Centers in Central New York.

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