20404-0
LOINC Code
| LOINC code | 20404-0 | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| name | |||||||||||||
| description | Fetal isoform of fibronectin found in amniotic fluid and placenta. Found in cervical and vaginal fluid in early first trimester. Third trimester levels > 50 ng/mL predictive of premature labor. | ||||||||||||
| status | ACTIVE | ||||||||||||
Fully-Specified Name | |||||||||||||
| component | Fibronectin.fetal | ||||||||||||
| property | PrThr = Present or threshold: The Property PrThr stands for “Presence or Threshold”, meaning either a) the actual presence or absence of an analyte, or b) that the amount of analyte detected is over some predetermined threshold. | ||||||||||||
| time | Pt = Point in time: To identify measures at a point in time. This is a synonym for “spot” or “random” as applied to urine measurements. | ||||||||||||
| system | Vag = Vagina | ||||||||||||
| scale | Ord = Ordinal: Ordered categorical responses, e.g., 1+, 2+, 3+; positive, negative; reactive, indeterminate, nonreactive. | ||||||||||||
| method | |||||||||||||
Additional Names | |||||||||||||
| short name | Chemistry; fFN; Fibronectin Fetal; Fn; Genital vaginal; Ordinal; Point in time; PR; QL; Qual; Qualitative; Random; Screen; UniversalLabOrders; Vag fld; Vag fluid; Vagina; Vaginal fluid | ||||||||||||
Basic Attributes | |||||||||||||
| class | CHEM | ||||||||||||
| type | 1 Laboratory | ||||||||||||
| order vs. observation | Fibronectin Fet | ||||||||||||
Member of these Panels | |||||||||||||
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History/Usage | |||||||||||||
| first released | |||||||||||||
| last updated | 2.73 | ||||||||||||
| last change type | MIN - change to field other than name | ||||||||||||
Related Names | |||||||||||||
Copyright © 2026 Regenstrief Institute, Inc. All Rights Reserved. To the extent included herein, the LOINC table and LOINC codes are copyright © 1995-2026, Regenstrief Institute, Inc. and the Logical Observation Identifiers Names and Codes (LOINC) Committee. See https://loinc.org/license for the full LOINC copyright and license.
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