Logical Observation Identifiers Names and Codes (LOINC), is
a standard for identifying medical laboratory observations. It was created in
1994 by the Regenstrief Institute Inc., an Indianapolis-based research
organization affiliated with Indiana University, in response to demand for the
electronic movement of clinical data.
LOINC is one of several standards used by the United States
government to exchange clinical health information, and it has been identified
as the preferred standard of the organization Health Level 7 (HL7).
LOINC codes are 6 digit unique numbers in the format like
NNNNN-N, which is assigned to each lab test. Currently there are more than
71,000 LOINC codes that are accessed and understood universally.
The advantage of using LOINC code is to universally
communicate and understand the lab tests in Electronic Health Record (HER)
system, to improve transfer of payment information for services rendered and a
significant improvement in the overall quality of health care by reducing
errors in the system.
In case of HL7 file, the transmissions of LOINC code are
carried by OBX.03 and OBR.04 fields. OBX and OBR are HL7 segments used for test
observations. If you are new to HL7 you may find detail about these segments
here.
Few set of LOINC codes are listed here just for audience
reference as these LOINC codes are available as open source from any Health
care site.
LOINC CODE
|
LOINC ATTRIBUTES
|
35663-4
|
Protein:MCnc:XXX:Urine:Qn:
|
19153-6
|
Specimen
volume:Vol:XXX:Urine:Qn:
|
13362-9
|
Collection
duration:Time:*:Urine:Qn:
|
26801-1
|
Protein:MRat:12H:Urine:Qn:
|
46952-8
|
Fluticasone
propionate:MCnc:Pt:Urine:Qn:
|
6765-2
|
17-Hydroxypregnenolone:MCnc:Pt:Ser/Plas:Qn:
|
22638-1
|
Path
report.comments:Imp:Pt:Specimen:Nar:
|
19139-5
|
Pathologist
name:PN:Pt:Provider:Nom:
|
35265-8
|
Path
report.addendum:Find:Pt:Specimen:Nar:
|
33511-7
|
Appearance:Aper:Pt:XXX:Nom:
|
19139-5
|
Pathologist
name:ID:Pt:Provider:Nom:
|
34574-4
|
Path report.final
diagnosis:Imp:Pt:Specimen:Nom:
|
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