81891-4

LOINC Code


LOINC code81891-4
name
descriptionThe episode of care secondary diagnosis code includes all of the billing codes except for the first one listed on the claim form for the most recent visit in a given episode of care. This term was created for, but is not limited in use to, the the American Physical Therapy Association's Physical Therapy Outcomes Registry, for which the diagnosis code will almost always be reported using ICD-10-CM.
statusACTIVE

Fully-Specified Name

componentEpisode of care diagnosis.secondary
propertyImp  =  Impression/interpretation of study
timePt  =  Point in time:  To identify measures at a point in time. This is a synonym for “spot” or “random” as applied to urine measurements.
system^Patient
scaleNom  =  Nominal:  Nominal or categorical responses that do not have a natural ordering. (e.g., names of bacteria, reported as answers, categories of appearance that do not have a natural ordering, such as, yellow, clear, bloody.
method

Additional Names

short nameCLIN; Dx; Dx.secondary; EOC; EOC dx.secondary; Impression; Impression/interpretation of study; Impressions; Interp; Interpretation; Nominal; Point in time; Random

Basic Attributes

classCLIN
type2  Clinical
order vs. observationEOC dx.secondar

Member of these Panels

76473-8

History/Usage

first released
last updated2.56
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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