Nonstress test
A nonstress test (NST) is a screening test used in pregnancy to assess fetal status by means of the fetal heart rate and its responsiveness. A cardiotocograph is used to monitor the fetal heart rate and presence or absence of uterine contractions. The test is typically termed "reactive" (also "reassuring") or "nonreactive" (also "nonreassuring").
| Nonstress test | |
|---|---|
| Purpose | monitors fetal heart rate |
| ICD-9-CM | 75.34 |
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