Substance P
Label Mnemonic: SUBP
Epic Lab Code: LAB4103
Downtime Form: A-1a Miscellaneous Request
Commercial Mail-out Laboratory
5231 RCP
Collection Medium:
Z tube
1 mL plasma from a Special Z-GI preservative collection tube obtained from reference laboratory. Mailouts has these tubes, call 356-8593.
Delivery Instructions:
Keep on ice and deliver to laboratory immediately.
Turn Around Time:
1 week upon receipt at reference laboratory
Reference Range:
40 - 270 pg/mL
Contact Commercial Mailouts at 356-8593 to obtain collection tubes for this testing. No other specimen collection container is acceptable by the reference laboratory.

Patients should be fasting for 10-12 hours prior to specimen collection. Antacid medications or medications that affect intestinal motility should be discontinued, if possible, for at least 48 hours prior to collection.
Direct Radioimmunoassay
CPT Code:
See Additional Information:
Fasting Specimen Requirements