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LBC+PG, Amniotic Fluid

Test ID:

705184

CPT code:

83664, 84081

Synonyms:

Fetal Lung Maturity (FLM)

Specimen Type:

Amniotic fluid

Requested Volume:

4 mL

Minimum Volume:

1 mL

Container Type:

Sterile container, no additive

Collection:

Amniotic fluid is obtained by needle aspiration into the amniotic sac (amniocentesis). Do not centrifuge. Do not freeze. Do notvortex.

Storage Instructions:

Refrigerate specimen upon collection. Do not freeze. Do not centrifuge.

Stability Requirements:

Temperature	Period
Room temperature	3 days
Refrigerated	14 days
Frozen	Unstable
Freeze/thaw cycles	Unstable

Expected Turnaround Time:

1 to 2 Days

Rejection Criteria

Frozen samples; bloody (RBC value >0.02 x 106/μL) or contaminated samples; large, gelatinous object(s) that will not aspirate; vaginal pools containing mucus; centrifuged specimens; vortexed specimens; specimens containing meconium; room temperature specimen >72 hours from time of collection; refrigerated specimens >14 days from time of collection