Specimen:

Amniotic Fluid

Collection Medium:

Minimum:

Preferred minimum:  5 mL amniotic fluid
Absolute minimum:  1 mL anmiotic fluid

Testing
Schedule:

24 hrs/day, 7 days a week, including holidays.

Analytic Time:

3 hours (upon receipt in laboratory)

Reference Range:

Negative:  PG absent or <0.5 mcg/ml.  Significant risk of RDS
Low Positive:  Pg > or = to 0.5 mcg/ml.  Low risk of RDS
High Positive:  PG > 2 mcg/ml.  Mature

Comments:

Test performed only if amniotic fluid contains bilirubin, or if an 
immature or indeterminant fetal lung maturity result is obtained from a 
sample contaminated with meconium or blood.

Methodology:

Latex

Sample
Processing:

Submit in leakproof container.
Label transport tube with two patient identifiers, date and time of 
collection.

Sample
Storage:

Ambient or Room Temperature.

Transport
Instructions:

Place coolant packs on top of specimen in styrofoam container.
Place requisition into outside pocket of bag.
Ship at ambient temperature.

CPT Code:

84081