Test Catalog

Test ID: SEQA    
Sequential Maternal Screening, Part 1, Serum

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Test Classification Provides information regarding the medical device classification for laboratory test kits and reagents. Tests may be classified as cleared or approved by the US Food and Drug Administration (FDA) and used per manufacturer instructions, or as products that do not undergo full FDA review and approval, and are then labeled as an Analyte Specific Reagent (ASR) product.

This test was developed, and its performance characteristics determined by Mayo Clinic in a manner consistent with CLIA requirements. This test has not been cleared or approved by the US Food and Drug Administration.

CPT Code Information Provides guidance in determining the appropriate Current Procedural Terminology (CPT) code(s) information for each test or profile. The listed CPT codes reflect Mayo Clinic Laboratories interpretation of CPT coding requirements. It is the responsibility of each laboratory to determine correct CPT codes to use for billing.

CPT codes are provided by the performing laboratory.


LOINC® Information Provides guidance in determining the Logical Observation Identifiers Names and Codes (LOINC) values for the order and results codes of this test. LOINC values are provided by the performing laboratory.

Test IDTest Order NameOrder LOINC Value
SEQASequential Maternal Screen, Part 149086-2


Result IDTest Result NameResult LOINC ValueApplies only to results expressed in units of measure originally reported by the performing laboratory. These values do not apply to results that are converted to other units of measure.
29451Recalculated Maternal Serum Screen43995-0
601802Results Summary50679-0
29469Down Syndrome Screen Risk Estimate43995-0
29470Down Syndrome Maternal Age Risk49090-4
29471Trisomy 18 Screen Risk Estimate43994-3
601799PAPP-A MoM76348-2
601800NT MoM49035-9
NTTB1NT Twin33069-6
601801NT Twin MoM49035-9
29474Recommended Follow Up80615-8
29473Additional Comments48767-8
29452Specimen Collection Date33882-2
29453Maternal Date of Birth21112-8
29890Calculated Age at EDD43993-5
29454Maternal Weight29463-7
29455Maternal Weight29463-7
DIAB1Insulin Dependent Diabetes33248-6
RACE_Patient Race32624-9
SMKN2Current cigarette smoking status72166-2
SNDT1Scan Date34970-4
CRL2ACRL Twin11957-8
29891GA on Collection by U/S Scan11888-5
FET1Number of Fetuses11878-6
PRHIXPrev Down (T21) / Trisomy Pregnancy53826-4
PRNTAPrev Pregnancy w/ Neural Tube Defect53827-2
PTNTAPatient or father of baby has a NTD53827-2
INTL2Initial or repeat testing86955-2
SONOMSonographer Name49088-8
SNCD1Sonographer CodeNo LOINC Needed
SONO1Sonographer Reviewer ID49089-6
DRPH2Physician Phone Number68340-9
29487General Test Information62364-5