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HelpTest Code APTT-CIR CRRT circuit APTT
Synonyms/Keywords
circuit, ECMO, APTT
Specimen Requirements
| Fasting Required | Specimen Type | Preferred Container/Tube | Acceptable Container/Tube | Specimen Volume | Specimen Minimum Volume (allows for 1 repeat) |
Pediatric Minimum Volume (no repeat) |
|---|---|---|---|---|---|---|
| No | Plasma | 3.2% Citrated Blue Top Tube (BTT) |
|
1 mL | 0.6 mL |
Collection/Processing Instructions
MMC-Marshfield ONLY
ECMO patients: Citrated Blue Top Tube (BTT) must be drawn to the fill line. Completely invert tube 3 to 4 times to mix. Do Not Shake!
Specimen Stability Information
| Specimen Type | Temperature | Time |
|---|---|---|
| Plasma | Ambient | 4 hours |
Rejection Criteria
Gross Hemolysis
Specimens filled below the fill line
Clotted
Test Components
APTT
Reference Range Information
No reference range established for this analyte/sample type.
Marshfield Labs Performing Department
Marshfield Labs Hematology
Performing Information
| Performing Location | Day(s) Test Performed | Analytical Time | Methodology/Instrumentation |
|---|---|---|---|
| Marshfield | Monday through Sunday | Less than 2 hours | Optical Clot Detection/Sysmex CS-5100 |
CPT Codes
| CPT | Modifier (if needed) |
Quantity | Description | Comments |
|---|---|---|---|---|
| 85730 |
Ordering Applications
| Ordering Application | Description |
|---|---|
| Cerner | CRRT circuit APTT |