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HelpTest ID BLOD1752 First Trimester Screen, hCG
Specimen Type/Requirements
Red top (Serum w/out gel) tube - Serum
Gold top (Serum w/ gel) tube - Serum
Collect between 10.0 weeks to 13.9 (13 6/7) weeks.
Perform between 10.0 to 13.9 (13 6/7) weeks gestational age.
A special Maternal Serum Screen information sheet designed to obtain patient data and the patient's informed consent must be used when ordering this test, because these results are influenced by certain patient characteristics. ALL data requested on the form must be complete to permit accurate interpretation of results. Send completed form with specimen to lab.
Quest First Trimester Screen Information Sheet
Specimen will be rejected due to gross hemolysis.
Specimen Volume
| Preferred Volume | 1.5 mL |
|---|---|
| Minimum Volume | 0.8 mL |
Stability/Transport
| Room Temperature | 14 days | Preferred for transport |
|---|---|---|
| Refrigerated | 14 days | |
| Frozen | 28 days |
Performed Test Frequency
Monday through Saturday night
Report Available
7-10 days
Methodology
Calculation, Immunoassay, Chemiluminescent
Performing Lab
Quest Diagnostics Nichols Institute San Juan Capistrano
CPT
81508
Interface Build Information
| Result Code | Result Code Description |
|---|---|
| 5002 | MATERNAL SCREEN INTERPRETATION |
| 15792 | AGE RISK DOWN SYNDROME |
| 15793 | MSS DOWN SYNDROME RISK |
| 15794 | MSS TRISOMY 18 RISK |
| 15795 | CALCULATED GESTATIONAL AGE |
| 15796 | PAPP-A |
| 15797 | PAPP-A MOM |
| 15798 | HCG |
| 15799 | HCG MOM |
| 15800 | NT MOM |
| 6247 | PATIENT DATE OF BIRTH |
| 28327 | COLLECTION DATE |
| 5020 | PATIENT'S WEIGHT |
| 5018 | ESTIMATED DATE OF DELIVERY |
| 5019 | GESTATIONAL CALCULATION METHOD |
| 5021 | RACE |
| 5024 | # OF FETUSES |
| 5023 | REPEAT SPECIMEN |
| 5025 | HISTORY OF NTD |
| 28328 | PREV PREGNANCY DOWN SYN |
| 28329 | DONOR EGG |
| 28330 | DONOR EGG: EGG RETRIEVAL |
| 28331 | CIGARETTE SMOKER |
| 28332 | PREGNANCY RESULT OF IVF |
| 15802 | US DATE |
| 15803 | ULTRASONOGRAPHER'S NAME |
| 15804 | CROWN RUMP LENGTH |
| 15805 | NUCHAL TRANSLUCENCY |
| 15806 | NASAL BONE |
| 15807 | TWIN GESTATION |
| 15808 | TWIN B CRL |
| 15809 | TWIN B NT |
| 15810 | TWIN B NASAL BONE |