In-House LOINC Codes

About

This is an OP-collated list of commonly-used LOINC codes for in-house pediatric tests.

Caveats

Please note: 

  • LOINC codes change from time to time, and so this list may not contain the most recent updates. You may reference the master list by creating a free account at LOINC.org.
  • Sometimes one type of test may have several different methods by which the test is performed. For example, a “strep test” might refer to a rapid EIA strep test, a molecular strep test, or a strep throat culture. We have tried to specify which method is associated with a particular LOINC code.
  • Because OP cannot know which particular lab test each practice uses, choosing the correct LOINC must be done by the practice. If you’re not sure which method your in-house lab uses, consult your medical director or lab director. Reviewing the package insert of your lab supplies may sometimes be useful.

In-House LOINC Codes

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LOINC Code
Test Name
24360-0HGB/HCT-HEMOGRM
89015-2Hearing screen, pure tone, air only
98497-1Visual acuity panel (includes uncorrected/corrected, L/R/both)
24356-8URINE SCREEN
78012-2RAPID STREP
57803-9
STOOL HEME TEST
718-7
HEMOGLOBIN
89024-4
L @ 500 Hz
89016-0
L @ 1000 Hz
89018-6
L @ 2000 Hz
89022-8
L @ 4000 Hz
89026-9
L @ 6000 Hz
89028-5L @ 8000 Hz
89025-1R @ 500 Hz
89017-8R @ 1000 Hz
89019-4R @ 2000 Hz
89023-6R @ 4000 Hz
89027-7R @ 6000 Hz
89029-3R @ 8000 Hz
46670-6L acuity far
46670-6R acuity far
46669-8L acuity near
46669-8R acuity near
70942-8Muscle balance
2106-3URINE PREGNANCY
5811-5Urine specific gravity (SG)
5803-2Urine pH
30405-5Urine leukocytes
2657-5Urine nitrite
35560-2Urine protein
2349-9Urine glucose
49779-2Urine ketones
32727-0Urobilinogen
1978-6Urine bilirubin
30391-7Urine blood
39212-6Left Eye
39212-6Right Eye
39212-6Both Eyes
5778-6Color
32167-9Clarity
626-2THROAT CULTURE
58410-2CBC
57019-2URINE CULTURE
80381-7RAPID FLU A/B
80382-5Influenza A Antigen, rapid immunoassay
80383-3Influenza B Antigen, rapid immunoassay
53279-6WBC
53968-4RBC
86910-7Hgb
20570-8HCT
69742-5CBC W/ Diff
30428-7MCV
28540-3MCH
28540-3MCHC
788-0RDW
26515-7Platelets
28542-9MPV
26499-4Neutrophils
26474-7Lymphocytes
26484-6Monocytes
26449-9Eosinophils
26444-0Basophils
24356-8Urinalysis, complete panel (with microscopy)
31418-7Heterophile antibodies (monospot)
14129-1RSV Nasal Culture
41995-2HEMOGLOBIN A1C
100898-6Lipid panel
2093-3Cholesterol
13458-5VLDL (calculated)
13457-7LDL (calculated)
2085-9HDL
2571-8Triglycerides
72885-7RSV Antigen, rapid immunoassay
97099-6Influenza A, influenza B, and COVID antigens, rapid immunoassay
24357-6Urinalysis, dipstick panel
81459-0Spirometry, complete panel
20150-9Forced expiratory volume in 1 second (FEV1)
20157-4Forced expiratory volume in 1 second (FEV1), pre-bronchodilation
20155-8Forced expiratory volume in 1 second (FEV1), post-bronchodilation
10368-9Lead, fingerstick
67248-5Tympanogram, left ear
67246-9Tympanogram, right ear
39263-9PPD/Tuberculin screen