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Term Description

Distance from frontal to occipital bone measured in same plane as biparietal diameter. Authors vary but seems most reasonable to use outer to outer edge in determining circumference. Measurement used to derive circumference and cephalic index.

LOINC Names Get Info

Fully-Specified Name
Diameter.occipito-frontal:Len:Pt:Head^Fetus:Qn:US.measured
Long Common Name
Fetal Head Diameter.occipito-frontal US
Short Name
Fet Head OFD US.meas

Part Model Get Info

  • Component
    Diameter.occipito-frontal
    LP72454-9
    • Analyte
      Diameter.occipito-frontal
      LP72454-9
      • Component Numerator
        Diameter.occipito-frontal
        LP72454-9
        • Component Numerator Core
          Diameter.occipito-frontal
          LP72454-9
        • Component Numerator Core Suffix
          NULL
           
      • Component Denominator
        NULL
         
        • Component Denominator Core
          NULL
           
        • Component Denominator Core Suffix
          NULL
           
    • Challenge
      NULL
       
    • Adjustment
      NULL
       
    • Count
      NULL
       
  • Property
    Len
    LP6822-3
  • Time
    Pt
    LP6960-1
  • System
    Head^fetus
    LP30023-3
  • Scale
    Qn
    LP7753-9
  • Method
    US.measured
    LP6731-6

Basic Attributes

Class
OB.US
Type
Clinical
First Released
Version 1.0j-a
Last Updated
Version 2.58 (MAJ)
Order vs. Observation
Observation

Language Variants Get Info

TagLanguageTranslation
el-GRGreek (Greece)Διάμετρος.ϊνιακο-μετωπιαία:Len:Pt:Κεφαλή^Έμβρυο:Qn:Υπερηχογράφημα.μετρηθέν
Synonyms: Len OB.US Pt Qn Διάμετρος Διάμετρος.ϊνιακο-μετωπιαία Έμβρυο ΗΠΑ Κεφαλή Μετρούμενο Υπερηχογράφημα.μετρηθέν
es-ARSpanish (Argentina)diámetro.frontoccipital:longitud:punto en el tiempo:cabeza^feto:cuantitativo:ultrasonido.medido
es-MXSpanish (Mexico)Diámetro occipito-frontal:Len:Punto temporal:Cabeza ^ feto:Cuantitativo:US.measured
it-ITItalian (Italy)Diametro.occipito-frontale:Len:Pt:Testa^feto:Qn:Ecografia.misurata
Synonyms: Eco Ecografia ostetrica Lunghezza Punto nel tempo (episodio)
pt-BRPortuguese (Brazil)Diâmetro.occípito-frontal:Comprimento:Pt:Crânio^feto:Qn:US.mensurado
Synonyms: ; OFD; Diam; DIA; Length; Point in time; Random; Skull; Brain; Intracranial; Cranium; Cranial; Fet; Fetal; Quantitative; QNT; Quant; Quan; US.meas; US.meas; Ultrasound; ULS; Sonogram; Sonography; Sonograph; Echography; OBSTERICAL.ULTRASOUND; OBSTERICAL.ULTRASOUND; Obstetrical; Obstetrics; Echoencephalogram; Echoencephalography
ru-RURussian (Russian Federation)Диаметр.затылочно-лобный:Дл:ТчкВрм:Голова^Плод:Колич:УЗ.измеренный
Synonyms: Длина Количественный Точка во времени;Момент Ультразвук (УЗ)
zh-CNChinese (China)直径.枕骨-额骨:长度:时间点:头部^胎儿:定量型:超声.测量法
Synonyms: 一种超声检查，用于确定几个脑部结构的位置和大小，从而系统地检查脑部和脊髓可疑的软组织疾病。 产科 产科.超声;产科.超声.印象与测量指标;产科学.超声;产科学.超声.印象与测量指标;产科学检查与测量指标.超声.印象与测量指标;产科学超声印象与测量指标 产科学 可用数量表示的;定量性;数值型;数量型;连续数值型标尺 大脑;头;头壳;头的;头盖;头盖的;头盖骨;头部的;头颅;头颅内;头颅内的;头骨;脑;脑壳;脑的;颅;颅侧;颅的;颅骨;颅骨内;颅骨内的 头^胎儿 头部超声检查方法 头部超声波 头部超声波检查方法 时刻;随机;随意;瞬间 枕骨-额骨直径;枕额直径;枕额径;occipito-frontal diameter;OFD 测定法;量度法;量测法 胎;超系统 - 胎儿 脑回波图 脑回波描记仪 脑回波描记仪术 超声.实测法;超声.检测法;超声.测定法 超声检查方法;超声检查法;超声波;超声波检查方法;超声波检查法 长;长短

Example Units

UnitSource
cmExample UCUM Units
cmREGENSTRIEF

LOINC Terminology Service (API) using HL7® FHIR® Get Info

CodeSystem lookup
https://fhir.loinc.org/CodeSystem/$lookup?system=http://loinc.org&code=11851-3