11822-4
LOINC Code
| LOINC code | 11822-4 | |
|---|---|---|
| name | ||
| description | Used to estimate BPD for dating or comparison | |
| status | ACTIVE | |
Fully-Specified Name | ||
| component | Diameter.biparietal.mean | |
| property | Len = Length | |
| 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 | Head^Fetus | |
| scale | Qn = Quantitative: The result of the test is a numeric value that relates to a continuous numeric scale. Reported either as an integer, a ratio, a real number, or a range. The test result value may optionally contain a relational operator from the set {<=, <, >, >=}. Valid values for a quantitative test are of the form "7", "-7", "7.4", "-7.4", "7.8912", "0.125", "<10", "<10.15", ">12000", 1-10, 1:256 | |
| method | US.estimated from cerebellar diameter | |
Additional Names | ||
| short name | Average; Avg; BPD; BPD by GA; BPD predicted from gestational age; BPD.mean; Brain; Cranial; Cranium; DIA; Diam; Echoencephalogram; Echoencephalography; Echography; Est; estimation; Fetal; from cereb diam; Gyn; Gynecology; Intracranial; Length; OB; ObGyn; | |
Basic Attributes | ||
| class | OB.US | |
| type | 2 Clinical | |
| order vs. observation | Fet BPD.mean fr | |
| formula (readable) | DIAMETER.BIPARIETAL [mm] = - 10.887 (+/-1.830) + 3.4943 (+/-0.12546) * (cerebellar diameter [mm]) - 0.03017 (+/-0.0020336) * (cerebellar diameter [mm]) ^ 2 | |
| example UCUM units | mm The Unified Code for Units of Measure (UCUM) is a code system intended to include all units of measures being contemporarily used in international science, engineering, and business (www.unitsofmeasure.org) | |
History/Usage | ||
| first released | ||
| last updated | 2.73 | |
| last change type | MIN - change to field other than name | |
| change reason | mm | |
Related Names | ||
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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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