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Reference information only. Not medical or legal advice.
Required Attribution
This material contains content from LOINC (http://loinc.org). LOINC is copyright © Regenstrief Institute, Inc. and the Logical Observation Identifiers Names and Codes (LOINC) Committee and is available at no cost under the license at http://loinc.org/license. LOINC® is a registered United States trademark of Regenstrief Institute, Inc.
Data Source
LOINC (Logical Observation Identifiers Names and Codes) codes and descriptions are obtained from Regenstrief Institute, Inc. LOINC provides a universal code system for identifying laboratory and clinical observations. The data is sourced from official files available at loinc.org/downloads (free registration required).
Current version: LOINC 2.82 (released 2026-02-24). Version information is displayed where LOINC codes are shown.
Purpose
LOINC codes on usnpi.com are provided for reference purposes only. They are not intended to replace official LOINC resources, professional laboratory coding assistance, or clinical decision-making. Always consult qualified professionals and official sources for laboratory test ordering and result interpretation.
Limitation of Liability
The LOINC data on usnpi.com is offered as a convenience tool. All contents are provided on an "as is" and "as available" basis without any warranty of any kind, for general information purposes only. We do not provide medical advice, legal advice, or laboratory coding certification. Use of this information does not create a provider-patient relationship. Reliance on this information is strictly at your own risk. We are not responsible for any errors, omissions, or consequences arising from the use of this data.
Medical emergency: In case of a medical emergency, please contact a healthcare professional or dial 911 immediately. The information provided on usnpi.com is not intended for use in urgent medical situations.