LOINC Home

FetalGestationalAge   LG50109-4

Gestational ageTime^Fetus   LG50112-8

LOINC Group


LOINC codeLG50112-8
nameGestational ageTime^Fetus
group categoryObstetrics
parent groupLG50109-4   FetalGestationalAge
statusActive
version first releasedPending promotion to Production status

LOINC Terms in this Group

56081-3Fetal gestational age in weeks --at most recent delivery
18185-9Gestational age
11884-4Gestational age Estimated
11889-3Gestational age estimated from Abdominal circumference on US
33072-0Gestational age estimated from Abdominal circumference on US by Australian Society of Ultrasound Medicine 2000 method
11890-1Gestational age estimated from Abdominal circumference on US by Campbell 1975 method
11891-9Gestational age estimated from Abdominal circumference on US by Hadlock 1982 method
11892-7Gestational age estimated from Abdominal circumference on US by Hadlock 1984 method
33073-8Gestational age estimated from Abdominal circumference on US by Hansmann 1985 method
33537-2Gestational age estimated from Abdominal circumference on US by Jeanty 1982 method
11893-5Gestational age estimated from Abdominal circumference on US by Jeanty 1984 method
33074-6Gestational age estimated from Abdominal circumference on US by Lessoway 1998 method
33075-3Gestational age estimated from Abdominal circumference on US by Merz 1988 method
33076-1Gestational age estimated from Abdominal circumference on US by Shinozuka 1996 method
33077-9Gestational age estimated from Anterior-posterior diameter of the abdomen by method of Lessoway 1998 (US)
11894-3Gestational age estimated from area corrected Biparietal circumference (US)
33078-7Gestational age estimated from AXT by method of Shinozuka 1996 (US)
11895-0Gestational age estimated from Binocular distance on US
33545-5Gestational age estimated from Binocular distance on US by Jeanty 1982 method
11896-8Gestational age estimated from Binocular distance on US by Jeanty 1984 method
11897-6Gestational age estimated from Biparietal circumference (US)
11898-4Gestational age estimated from Biparietal diameter on US
33079-5Gestational age estimated from Biparietal diameter on US by Australian Society of Ultrasound Medicine 1989 method
11899-2Gestational age estimated from Biparietal diameter on US by Campbell 1975 method
11900-8Gestational age estimated from Biparietal diameter on US by Doubilet 1993 method
11901-6Gestational age estimated from Biparietal diameter on US by Hadlock 1982 method
11902-4Gestational age estimated from Biparietal diameter on US by Hadlock 1984 method
11903-2Gestational age estimated from Biparietal diameter on US by Hansmann 1985 method
33538-0Gestational age estimated from Biparietal diameter on US by Hansmann 1986 method
11904-0Gestational age estimated from Biparietal diameter on US by Hobbins 1983 method
33539-8Gestational age estimated from Biparietal diameter on US by Jeanty 1982 method
11905-7Gestational age estimated from Biparietal diameter on US by Jeanty 1984 method
11906-5Gestational age estimated from Biparietal diameter on US by Kurtz 1980 method
33080-3Gestational age estimated from Biparietal diameter on US by Lessoway 1998 method
33081-1Gestational age estimated from Biparietal diameter on US by Merz 1988 method
33082-9Gestational age estimated from Biparietal diameter on US by Osaka 1989 method
33083-7Gestational age estimated from Biparietal diameter on US by Rempen 1991 method
11907-3Gestational age estimated from Biparietal diameter on US by Sabbagha 1978 method
33084-5Gestational age estimated from Biparietal diameter on US by Shinozuka 1996 method
33085-2Gestational age estimated from Biparietal diameter on US by Tokyo 1986 method
11908-1Gestational age estimated from Cerebellar diameter by method of Goldstein 1987 (US)
33088-6Gestational age estimated from clavicle length by method of Yarkoni 1985 (US)
53693-8Gestational age Estimated from conception date
11909-9Gestational age estimated from Crown rump length on US
33089-4Gestational age estimated from Crown rump length on US by Australian Society of Ultrasound Medicine 1991 method
33090-2Gestational age estimated from Crown rump length on US by Australian Society of Ultrasound Medicine 2000 method
33091-0Gestational age estimated from Crown rump length on US by Daya 1993 method
11910-7Gestational age estimated from Crown rump length on US by Hadlock 1992 method
11911-5Gestational age estimated from Crown rump length on US by Hansmann 1985 method
33540-6Gestational age estimated from Crown rump length on US by Hansmann 1986 method
33092-8Gestational age estimated from Crown rump length on US by Jeanty 1982 method
11912-3Gestational age estimated from Crown rump length on US by Jeanty 1984 method
11913-1Gestational age estimated from Crown rump length on US by Nelson 1981 method
33093-6Gestational age estimated from Crown rump length on US by Osaka 1989 method
33094-4Gestational age estimated from Crown rump length on US by Rempen 1991 method
11914-9Gestational age estimated from Crown rump length on US by Robinson 1975 method
33095-1Gestational age estimated from Crown rump length on US by Shinozuka 1996 method
33096-9Gestational age estimated from Crown rump length on US by Tokyo 1986 method
11915-6Gestational age estimated from Crown rump length on US by Yeh 1988 method
11919-8Gestational age estimated from Femur length on US
33098-5Gestational age estimated from Femur length on US by Chitty 1997 method
11920-6Gestational age estimated from Femur length on US by Hadlock 1984 method
11921-4Gestational age estimated from Femur length on US by Hansmann 1985 method
33541-4Gestational age estimated from Femur length on US by Hansmann 1986 method
11922-2Gestational age estimated from Femur length on US by Hohler 1982 method
33099-3Gestational age estimated from Femur length on US by Jeanty 1982 method
11923-0Gestational age estimated from Femur length on US by Jeanty 1984 method
33100-9Gestational age estimated from Femur length on US by Lessoway 1998 method
11924-8Gestational age estimated from Femur length on US by Merz 1987 method
11925-5Gestational age estimated from Femur length on US by Obrien 1982 method
33101-7Gestational age estimated from Femur length on US by Osaka 1989 method
33102-5Gestational age estimated from Femur length on US by Shinozuka 1996 method
33103-3Gestational age estimated from Femur length on US by Tokyo 1986 method
33138-9Gestational age estimated from Fetal trunk area by method of Osaka 1989 (US)
11916-4Gestational age estimated from Fibula length (US)
33097-7Gestational age estimated from Fibula length by method of Jeanty 1983 (US)
11917-2Gestational age estimated from Fibula length by method of Jeanty 1984 (US)
11918-0Gestational age estimated from Fibula length by method of Merz 1987 (US)
33542-2Gestational age Estimated from FL.Merz 1988
11926-3Gestational age estimated from Foot length on US by Mercer 1987 method
11927-1Gestational age estimated from Gestational sac diameter on US
33104-1Gestational age estimated from Gestational sac diameter on US by Daya 1991 method
33106-6Gestational age estimated from Gestational sac diameter on US by Hansmann 1982 method
11928-9Gestational age estimated from Gestational sac diameter on US by Hellman 1969 method
11929-7Gestational age estimated from Gestational sac diameter on US by Rempen 1991 method
33108-2Gestational age estimated from Gestational sac diameter on US by Tokyo 1986 method
33105-8Gestational age estimated from Gestational sac length on US by Hansmann 1979 method
33107-4Gestational age estimated from Gestational sac length on US by Nyberg 1992 method
33111-6Gestational age estimated from Head circumference derived on US by Chitty 1997 method
33110-8Gestational age estimated from Head circumference measured on US by Chitty 1997 method
11930-5Gestational age estimated from Head circumference on US
33109-0Gestational age estimated from Head circumference on US by Australian Society of Ultrasound Medicine 2000 method
11931-3Gestational age estimated from Head circumference on US by Hadlock 1982 method
11932-1Gestational age estimated from Head circumference on US by Hadlock 1984 method
33112-4Gestational age estimated from Head circumference on US by Hansmann 1985 method
33543-0Gestational age estimated from Head circumference on US by Hansmann 1986 method
11933-9Gestational age estimated from Head circumference on US by Hoffbauer 1979 method
33113-2Gestational age estimated from Head circumference on US by Jeanty 1982 method
11934-7Gestational age estimated from Head circumference on US by Jeanty 1984 method
33114-0Gestational age estimated from Head circumference on US by Lessoway 1998 method
33115-7Gestational age estimated from Head circumference on US by Merz 1988 method
11935-4Gestational age estimated from Humerus length on US
33116-5Gestational age estimated from Humerus length on US by Australian Society of Ultrasound Medicine 2000 method
11936-2Gestational age estimated from Humerus length on US by Jeanty 1984 method
11937-0Gestational age estimated from Humerus length on US by Merz 1987 method
33117-3Gestational age estimated from Humerus length on US by Osaka 1989 method
33122-3Gestational age estimated from Inter ocular distance on US by Mayden 1982 method
33123-1Gestational age estimated from Inter ocular distance on US by Trout 1994 method
11885-1Gestational age Estimated from last menstrual period
33118-1Gestational age estimated from length of vertebra by method of Tokyo 1986 (US)
33119-9Gestational age estimated from Occipital-frontal diameter on US by Australian Society of Ultrasound Medicine 2000 method
33544-8Gestational age estimated from Occipital-frontal diameter on US by Hansmann 1985 method
33120-7Gestational age estimated from Occipital-frontal diameter on US by Hansmann 1986 method
33121-5Gestational age estimated from Occipital-frontal diameter on US by Lessoway 1998 method
33124-9Gestational age estimated from Outer orbital distance on US by Mayden 1982 method
33125-6Gestational age estimated from Outer orbital distance on US by Trout 1994 method
33086-0Gestational age estimated from Outer-Inner Biparietal diameter on US by Chitty 1997 method
33087-8Gestational age estimated from Outer-Outer Biparietal diameter on US by Chitty 1997 method
11886-9Gestational age Estimated from ovulation date
53691-2Gestational age Estimated from patient reported estimated date of conception
90367-4Gestational age Estimated from physical exam
53695-3Gestational age Estimated from prior assessment
11938-8Gestational age estimated from Radius length (US)
33126-4Gestational age estimated from Radius length by method of Jeanty 1983 (US)
11939-6Gestational age estimated from Radius length by method of Merz 1987 (US)
11887-7Gestational age Estimated from selected delivery date
33127-2Gestational age estimated from Spine length by method of Tokyo 1989 (US)
33131-4Gestational age estimated from Thoracic circumference on US by Chitkara 1987 method
33135-5Gestational age estimated from Thoracic circumference on US by Nimrod 1986 method
11940-4Gestational age estimated from Tibia length on US
11941-2Gestational age estimated from Tibia length on US by Jeanty 1984 method
11942-0Gestational age estimated from Tibia length on US by Merz 1987 method
33128-0Gestational age estimated from Transverse abdominal diameter on US by Eriksen 1985 method
33129-8Gestational age estimated from Transverse abdominal diameter on US by Hansmann 1979 method
33136-3Gestational age estimated from Transverse abdominal diameter on US by Hansmann 1985 method
33137-1Gestational age estimated from Transverse abdominal diameter on US by Lessoway 1998 method
33130-6Gestational age estimated from Transverse abdominal diameter on US by Tokyo 1986 method
33132-2Gestational age estimated from Transverse cerebral diameter on US by Chitty 1994 method
33133-0Gestational age estimated from Transverse cerebral diameter on US by Goldstein 1987 method
33134-8Gestational age estimated from Transverse cerebral diameter on US by Hill 1990 method
11943-8Gestational age estimated from Ulna length (US)
11944-6Gestational age estimated from Ulna length by method of Jeanty 1984 (US)
11945-3Gestational age estimated from Ulna length by method of Merz 1987 (US)
49052-4Gestational age in days
49051-6Gestational age in weeks
85719-3Gestational age in weeks--at cessation of pregnancy
33901-0Gestational age of fetus by Amniocentesis
11888-5Gestational age US composite estimate

* Archetype - the LOINC number of the most general representative term for a specific Group. For example, in a Group rolled up by method, the methodless term is the archetype term.


Copyright © 2023 Regenstrief Institute, Inc. All Rights Reserved. To the extent included herein, the LOINC table and LOINC codes are copyright © 1995-2023, 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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