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| Complete a Cytogenetics Congential Disorders Request form available from PAML. |
| This test may reflex to additional tests depending upon the results of this test. An additional fee may be added. |
| Synonyms |
AFP, Amniotic Fluid |
| SPECIMEN REQUIREMENTS |
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| Specimen Type |
Amniotic fluid |
| Preferred Volume |
2-3 mL |
| Minimum Volume |
2 mL |
| Collection Procedure |
Collect amniotic fluid and place in sterile screw capped tubes (centrifuge tube Falcon 2037 or equivalent). If cytogenetics is also ordered, do not split or pour off specimen; send all specimen to cytogenetics. A Cytogenetics paper requisition must be completed including the following: clinical indication, maternal birthdate, gestation age (weeks and days) as determined by LMP or Ultrasound (identify method), maternal diabetic status, also note on form if twins or multiple pregnancy. Acceptable gestational age weeks 14 through 22. |
| Specimen Processing |
Handle specimen using sterile technique. Do not centrifuge the specimen. Store and transport room temperature. |
| Required Patient Info |
See collection procedure |
| Stability |
Room Temp 48 hours Refrigerated 3 days AFP, 5 days Fetal Hgb, 7 days AChE |
| Department |
Immunology |
| Reference Laboratory |
SHMC |
| CPT Codes |
82106 |
| Test Schedule |
Mon-Fri |
| Turnaround Time |
1-10 days |
| Method |
Immunometric |
| Test Includes |
Blood Present; Alpha Fetoprotein, ug/mL; MoM, MoM; Interpretation; Fetal Hemoglobin F. |
| Reference Ranges |
Blood Present
Alpha Fetoprotein, ug/mL
Amniotic Fluid
MoM LT 2.0 MoM
Interpretation Negative Screen
Fetal Hemoglobin F Negative |
| Notes |
Fetal Hemoglobin F will be done on samples blood tinged and AFP MoM GT 1.9. AChE will be done on positive samples (GT 1.9 MoM). |
:: Interface Codes ::| type | order code | test description | result code | result description | units | decimal places | loinc code | | o | 82106.Z12 | Alpha fetoprotein, Amniotic | | r | 82106.Z12 | Alpha fetoprotein, Amniotic | 82106.Z1 | Blood Present? | | | 19098-3 | | r | 82106.Z12 | Alpha fetoprotein, Amniotic | 82106.Z11 | Fetal Hemoglobin F | | | 28067-7 | | r | 82106.Z12 | Alpha fetoprotein, Amniotic | 82106.Z2 | Alpha fetoprotein, Amnio | ug/mL | 2 | 1832-5 | | r | 82106.Z12 | Alpha fetoprotein, Amniotic | 82106.Z3 | MoM | | 1 | 29253-2 | | r | 82106.Z12 | Alpha fetoprotein, Amniotic | 82106.Z4 | Interpretation | | | 49246-2 |
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