LOINC Home

{component}   LP432695-7

Clinical   LP7787-7

Document ontology   LP32519-8

LOINC Document Ontology - Type of Service and Kind of Document   LP261247-3

Letter   LP74130-3

Letter | Hospital | Document ontology   LP416847-4

LOINC Hierarchy


Select the title to see children of the section (▸) or the LOINC code. Select a code to view information about the section/code.

Hospital Letter   68609-7

Adolescent medicine Hospital Letter   68620-4

Allergy and Immunology Hospital Letter   68634-5

Child and adolescent psychiatry Hospital Letter   68649-3

Clinical genetics Hospital Letter   68662-6

Developmental-behavioral pediatrics Hospital Letter   68671-7

Gynecology Hospital Letter   89449-3

Heart failure+Transplant cardiology Hospital Letter   68624-6

Hematology+Medical oncology Hospital Letter   68555-2

Multi-specialty program Hospital Letter   68682-4

Neonatal perinatal medicine Hospital Letter   68686-5

Neurological surgery Hospital Letter   68695-6

Neurology with special qualifications in child neurology Hospital Letter   68707-9

Obstetrics Hospital Letter   89448-5

Obstetrics and Gynecology Hospital Letter   68567-7

Occupational therapy Hospital Letter   68571-9

Ophthalmology Hospital Letter   68576-8

Orthopaedic surgery Hospital Letter   68585-9

Pain medicine Hospital Letter   68717-8

Pediatric cardiology Hospital Letter   68728-5

Pediatric dermatology Hospital Letter   68893-7

Pediatric endocrinology Hospital Letter   68898-6

Pediatric gastroenterology Hospital Letter   68747-5

Pediatric hematology-oncology Hospital Letter   68758-2

Pediatric infectious diseases Hospital Letter   68766-5

Pediatric nephrology Hospital Letter   68870-5

Pediatric otolaryngology Hospital Letter   68875-4

Pediatric pulmonology Hospital Letter   68789-7

Pediatric rheumatology Hospital Letter   68880-4

Pediatric surgery Hospital Letter   68803-6

Pediatric transplant hepatology Hospital Letter   68865-5

Pediatric urology Hospital Letter   68813-5

Pediatrics Hospital Letter   68826-7

Plastic surgery Hospital Letter   68598-2

Primary care Hospital Letter   68838-2

Speech-language pathology Hospital Letter   68847-3

Transplant surgery Hospital Letter   68853-1


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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