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HelpFactor VII (7) Activity
Collection Requirements
Source: blood
Container: Sodium citrate light blue
Volume: 2.7 mL in vacutainer filled to the line
Turn Around Time
STAT: 3 hours
- Only available as STAT 7:00 a.m. – 1:00 p.m. Monday – Friday
- STAT at other times requires Sendout
Routine: 1-6 days
- Batched testing completed on Monday and Thursday
- Specimens must be received in Hematology by 9:00 a.m. to be included in the batch.
Availability
STAT
Routine
Lab Processing Instructions
Specimen: plasma
Double spin and separate
Freeze if testing will not be completed within 1 hour of processing
Offsites:
- STAT: Send plasma at room temperature with a STAT courier
- Routine: Send plasma on dry ice
Performing Laboratory
Adele Hall
Adele Hall Lab Section
Hematology
Instrumentation/Methodology
Stago STAR
Reference Ranges
| Age (days) | Reference Range (%) |
|---|---|
| 0-4 | 28-104 |
| 5-29 | 35-143 |
| 30-89 | 42-138 |
| 90-179 | 38-143 |
| > 180 | 67-143 |
CPT
85230