93042 Factor VIII Activity

Specimen:

Collect:

One 4 mL Blue Top (Na Citrate)

Submit:

2 mL (Min:1 mL) Plasma. Submit Frozen. Submit in a Standard Transport Tube.

Special Handling:

Critical Frozen
Separate aliquot required for each frozen test ordered
For hemophiliacs: note dose, date, and time of last factor VIII concentrate infusion.

Rejection Criteria:

Hemolyzed specimens

Stability:

Ambient: 4 Hour(s); Refrigerated: 4 Hour(s); Frozen: 2 Week(s); Incubated: Unacceptable

Methodology:

Clotting

Performed:

Mon-Sat

Reported:

2-5 Day(s)

CPT Codes:

85240

Interpretive Data:

General Reference Range : 56-241 %

Male Reference Ranges
0 - 6 year(s)	:	56-191 %
6 - 9 year(s)	:	76-199 %
9 - 11 year(s)	:	80-209 %
11 - 13 year(s)	:	72-198 %
13 - 15 year(s)	:	69-237 %
15 - 17 year(s)	:	63-221 %
17 - 150 year(s)	:	56-191 %

Female Reference Ranges
0 - 6 year(s)	:	56-191 %
6 - 9 year(s)	:	76-199 %
9 - 11 year(s)	:	80-209 %
11 - 13 year(s)	:	72-198 %
13 - 15 year(s)	:	69-237 %
15 - 17 year(s)	:	63-221 %
17 - 150 year(s)	:	56-191 %