Sequential Screen Part 1

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Test Details

Mnemonic

SEQ1

Ordering Code

3000357

CPT-4 Code(s)

81508 (or 84163, 84702)

Specimen Information

Patient Preparation

Collect specimen between CRL 36 mm and CRL 79.9 mm.

Collect

Red top

Specimen Preparation

Centrifuge, separate serum from cells within 2 hours of collection and send 1.0 mL serum
in a screw capped plastic vial. Prenatal Screening information required at Order Entry. Please
send completed Prenatal Screen Information sheet with each specimen if unable to transmit
required responses.

Alternate Specimen

Serum separator tube (SST)

Minimum Volume

0.6 mL

Transport Temperature

Refrigerated

Rejection Criteria

Moderately hemolyzed, lipemic or icteric specimens; plasma

Stability

Room temperature: 5 days
Refrigerated: 7 days
Frozen: 120 days

Methodology

Chemiluminescence
more

Reference Range

See report
more

Performing Laboratory

Warde Medical Laboratory
more

New York DOH Approval Status

No
more
Turnaround Time
1 – 3 days
Performed
Monday, Wednesday, Thursday, Friday
Legacy Code SEQ1
Example Report
Download
SEQ1 Information Sheet
Download

Resources

Interface Map for SEQ1

Test Name Ordering Code Result Code Component Name LOINC Code AOE Prompt Units
Sequential Screen Part 1 3000357
3000372 Physician Phone Number 68340-9 Yes
3000373 Notes to Laboratory 68560-2 Yes
3000361 Weight (lbs) 29463-7 Yes*
3000362 Race Acceptable Prompt Responses: White Black Hispanic Other Not Provided 21484-1 Yes
3000363 Insulin Dependent Diabetic? Acceptable Prompt Responses: No Yes Not Provided 44877-9 Yes
3000364 Does Patient Currently Smoke Cigarettes? Acceptable Prompt Responses: No Yes Not Provided 64234-8 Yes
3000369 Previous Pregnancy w/ Neural Tube Defect? Acceptable Prompt Responses: No Yes Not Provided 53827-2 Yes
3000370 Previous Down syndrome Pregnancy? Acceptable Prompt Responses: No Yes Not Provided 53826-4 Yes
3000371 IVF Pregnancy? Acceptable Prompt Responses: No Yes Not Provided 47224-1 Yes
3000374 CRL Scan Date (MM/DD/YYYY) 34970-4 Yes*
3000375 CRL 11957-8 Yes*
3000376 NT 12146-7 Yes*
3000377 Number of Fetuses Acceptable Prompt Responses: Single Twins 55281-0 Yes
3000379 Nasal Bone? Acceptable Prompt Responses: Present Absent Not Reported 96426-2 Yes
3000365 Repeat Screen for Current Pregnancy? Acceptable Prompt Responses: No Yes Not available Yes
3000381 CRL Twin B 11957-8 Yes
3000382 NT Twin B 12146-7 Yes
3000383 Chorionic Sacs Acceptable Prompt Responses: Monochorionic Dichorionic 92568-5 Yes
3000384 Nasal Bone Twin B? Acceptable Prompt Responses: Present Absent Not Reported 53697-9 Yes
3024410 Screen Result 49586-1 No
3024420 Age at EDD (years) 43993-5 No
3024430 GA (weeks) 49051-6 No
3024440 GA (days) 49052-4 No
3024450 Ultrasound Date 34970-4 No
3024460 CRL 11957-8 No
3024470 Nasal Bone 96426-2 No
3024480 Weight (lbs) 29463-7 No
3024490 Multiple Gestation 11878-6 No
3024500 Ethnic Origin 21484-1 No
3024510 IDDM 44877-9 No
3024515 Smoker 64234-8 No
3024520 NT 12146-7 No
3024540 PAPP-A 48407-1 No
3024530 hCG 21198-7 No
3024550 NT MOM 49035-9 No
3024570 PAPP-A MOM 76348-2 No
3024560 HCG MOM 55868-4 No
3024580 Down Syndrome Risk 43995-0 No
3024590 Maternal Age Risk for Down 49090-4 No
3024600 Trisomy 18 Risk 43994-3 No
3024610 Interpretation Not available No

The CPT codes provided are for general informational purposes only and are based on an interpretation of AMA guidance. It is the sole responsibility of the billing party to determine CPT codes. Any questions regarding coding should be directed to the paying party.

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