91571-0

LOINC Code


LOINC code91571-0
name
descriptionThe patient's reported drug injection frequency (never, once a day, once a week, once a month, etc.) for the drug of interest.
statusACTIVE

Fully-Specified Name

componentFrequency of drug injection
propertyNRat  =  Number=Count/Time
time12Mo  =  12 months
system^Patient
scaleOrd  =  Ordinal:  Ordered categorical responses, e.g., 1+, 2+, 3+; positive, negative; reactive, indeterminate, nonreactive.
method

Additional Names

short name1 year; 12Mos; Count/time; Drugs; Freq of drug injection; H+P; H+P.HX; Inj; nRate; Number rate; Number Rate = Count/Time; Ordinal; P prime; QL; Qual; Qualitative; Screen

Basic Attributes

classH&P.HX
type2  Clinical
order vs. observationFreq of drug in

History/Usage

first released
last updated2.66
last change typeADD  - added

Related Names



Copyright © 2026 Regenstrief Institute, Inc. All Rights Reserved. To the extent included herein, the LOINC table and LOINC codes are copyright © 1995-2026, 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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