Bilirubin, Amniotic Fluid

CERNER / EPIC MNEMONIC: SPEC SCAN
POE DESCRIPTION: FL AMNIOTIC SPECTROPHOTOM
CPT CODE: 82143-90
TURNAROUND TIME: 4-6 hours
SPECIAL INSTRUCTIONS: State gestational age on requisition.
CONTAINER TYPE: Brown plastic tubes for amnios
SPECIMEN REQUIREMENTS: 7 mL amniotic fluid
MINIMUM VOLUME: 2 mL
HANDLING INSTRUCTIONS: Keep specimen on ice; protect from light. Transport to the laboratory immediately.  Do not process specimen in any manner.

REFERENCE RANGE:

See Quest Diagnostics - Search Test Code 289

Varies with week of gestation. A rise in optical density at 450 nm >0.15 at 34 weeks gestation suggests erythroblastosis fetalis. Liley's zone: I: minimal or no involvement, II: moderate involvement, III: severe involvement.

TEST SYNONYM(S):Amniotic Fluid Spectral Scan; Liley's Zone Analysis; OD 450