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Pre-Surgical Type & Screen

Item Value
Approval req'd? No
Available Stat? No
Test code BB14
Performed by Parnassus Mt. Zion & Mission Bay Blood Banks
In House Availability Test available 24 hours a day 7 days a week at Parnassus and Mission Bay Blood Banks only

Testing available at Mt. Zion 0700 Monday to 2300 Friday.
Collection Instructions Specimen label must contain the date the sample was collected and the legible name of the person who collected the sample
Container type Lavender top (6 mL)
Amount to Collect
Patient Age Amount to Collect
< 4 mo 2x Full Microtainer (1.6 mL)
4 mo - 1 year 3 mL
1 -18 years 3 - 6 mL (3 mL OK for small children)
> 18 years 6 mL
Sample type EDTA whole blood
Preferred volume
Patient Age Amount to Collect
< 4 mo 2x Full Microtainer (1.6 mL)
4 mo - 1 year 3 mL
1 -18 years 3 - 6 mL (3 mL OK for small children)
> 18 years 6 mL
Min. Volume
Patient Age Amount to Collect
< 4 mo Full Microtainer (0.8 mL)
4 mo - 1 year 1 mL
1 -18 years 3 mL (3 mL OK for small children)
> 18 years 5 mL
UCSF Rejection Criteria Unsigned, mislabeled, unlabeled or hemolyzed sample.
Normal range
Turn around times STAT 1 hour, Routine 4 hours
Additional information Samples for this test should NOT be collected > 14 days prior to the patient's planned procedure.

If the patient has been transfused or pregnant in the preceeding 3 months sample should NOT</> be collected > 3 days prior to procedure. The concern is that such patients could be developing red cell allo-antibodies that could be missed if the samples are collected too far in advance.
LOINC code 34532-2
Last Updated 5/19/2015 8:16:17 AM
Entry Number 1463
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