Chromosome Analysis and Alpha-Fetoprotein with Reflex to AchE and Fetal Hgb, Amniotic Fluid
Test code
CPT code(s)*
Details
Includes
If the AFP MoM is ≥2.0, then Acetylcholinesterase and Fetal Hemoglobin, Amniotic Fluid will be performed at an additional charge (CPT code(s): 82664, 83033).
Methodology
Culture • Karyotype • Microscopy
AFP: Immunoassay (IA) • Gel Electrophoresis • Immunodiffusion (ID)
Assay category
This test was developed and its analytical performance characteristics have been determined by Quest Diagnostics. It has not been cleared or approved by FDA. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.
This test code is for non-New York patient testing. For New York patient testing, use test code 17851.
Specimen requirements | |
|---|---|
| Patient preparation | None Specified |
| Preferred specimen(s) | 20 mL amniotic fluid collected in a sterile screw-cap container |
| Minimum volume | 5 mL |
| Collection instructions | 30 mL is preferred if other testing, e.g. microarray, FISH is ordered. Ship at room temperature. Do not freeze. Send all tubes to lab (supernatant for AFP will be split by cytogenetics lab). Please contact the laboratory Genetic Counselor at 1-866-GENEINFO (1-866-436-3463) with any questions. |
| Transport container | Genetics transport pack |
| Transport temperature | Room temperature |
| Specimen stability | Room temperature: Preferred Refrigerated: Acceptable Frozen: Unacceptable |
| Reject criteria | Received frozen |
Reference ranges are provided as general guidance only. To interpret test results use the reference range in the laboratory report.
*The CPT codes provided are based on AMA guidance and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.
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