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HelpTricyclic Antidepressant Level
Clinical System Name
Miscellaneous Test
Synonyms
None specified
Sample Requirements
Specimen: Whole Blood
Container(s): Dark Green/Sodim Heparin or Red or Gold SST or Lt. Green/Li Heparin Microtainer or Gold Microtainer
Preferred Vol: 1mL
Minimum Vol: 0.6 mL
Note: This test is used for stat toxic screen only. Indicate concurrent medications on requisition.
Processing Instructions
Reject due to:
Spin: Y
Aliquot:Y
Temp: -20 C
Storage location: If drawn in gold top; serum must be removed from gel within 24 hours of collection. No addon testing to gel tubes over 24 hours old. Hemolysis should be avoided. Centrifuge specimen. Transfer 0.5 mL serum or plasma to a plastic aliquot tube. Deliver specimen to CPA freezer send-outs rack.
Off-site collection:
Stability
| Specimen Type | Temperature | Time |
|---|---|---|
| Serum or Plasma | Room temp | N |
| Refrigerated | 24 h | |
| Frozen | Y |
Availability
| STAT | Performed | TAT |
|---|---|---|
| N | Drawn Daily; performed Su - F | 3 - 5 d |
Performing Laboratory
Harborview Medical Center
Department
Department:
Harborview Medical Center
Room GWH47; 325 9th Ave
Seattle, WA 98104
Phone Number: (206) 744-3451
CPT Codes
G0431
Methodology
Method: EMIT
Analytical Volume: 0.3 mL Serum or Plasma
Limitations:
Reference Range
| ng/mL | |
| Subtherapeutic | <100 |
| Therapeutic | 100-300 |
| Toxicity possible | 300-500 |
| Toxicity probable | 500-1000 |
| Serious toxicity | >1000 |
Send Out Instructions
| Reference Test Name: | Tricyclics (Total) Semi-Quant |
| Reference Test Number: | TTRI |
| Instructions: | Order test in Mayo Access. Keep a copy of the Batch Sheet for our records. Send out Mon - Fri with the Mayo courier. Keep a copy of the Batch Sheet for our records. |