Item Value
Test name O.D. 450 Peak, Delta
Available Stat? No
Turn around times Test performed daily. Turnaround time: 1 day.
Performed by UC Irvine
Normal range Method of Freda:
1+ Normal or possibly affected < 0.20
2+ Affected but not in jeopardy within 7 days 0.20-0.34
3+ Distressed and probably in failure 0.35-0.70
4+ Impending fetal death > 0.70


Method of Liley:
Week of gestation Normal Borderline
25 < 0.08 0.08-0.33
30 < 0.05 0.05-0.21
35 < 0.03 0.03-0.13
40 < 0.02 0.02-0.08
Container type Clean screw-capped tube shielded from light
Amount to Collect See preferred volume
Collection Instructions Indicate the week of getastation on the requisition
Sample type Amniotic fluid

If you have additional questions regarding this test, please call: 415-353-1667