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Test Name:
Substance P, by EIA
- SBMF No:
45586 - Performance Lab Name:
Focus Diagnostics - Test Mnemonic:
SUB P - ABN:
Required – Not FDA-Approved - CPT Code:
83520 - LOINC Code:
19146-0 - Ref Lab Test No:
40699 - Spec Type:
Serum - Spec Container:
Gold top (SST) or red top (serum) tube - Pref Vol:
2.0 mL (2 aliquots, 1 mL each) - Min Vol:
1.0 mL (2 aliquots, 0.5 mL each) - Fasting:
No - Spec Collect:
Routine venipuncture - Spec Process:
Clot 30 minutes
Promptly centrifuge 15 minutes
Immediately transfer serum to two (2) separate plastic tubes and freeze - Spec Store Transport:
Frozen
Ship on dry ice - Spec Stability:
Room temperature (20-30°C): Unacceptable
Refrigerated (2-8°C): Unacceptable
Frozen (-20°C): Indefinitely - Spec Reject:
Non-frozen or thawed sample - Spec Remarks:
CRITICAL FROZEN – Separate samples must be submitted when multiple tests are ordered
Separate serum from cells within 10 minutes
Freeze immediately after separation - Methodology:
Enzyme Immunoassay (EIA) - Clinical Significance:
Substance P is a normal component of the central and peripheral nervous systems, where it appears to act as a neurotransmitter. Pharmacological effects of substance P include excitation of spinal motoneurons, vasodilation, and stimulation of salivary and pancreatic secretion. - Reference Range:
<1780 pg/mL - Additional Test Info:
This test was performed using a kit that has not been cleared or approved by the FDA. The analytical performance characteristics of this test have been determined by Focus Diagnostics. This test should not be used for diagnosis without confirmation by other medically established means.
Test is referred through ARUP Laboratories.
- Day Run:
Varies - Test Type:
IMMUNOLOGY
