What does this LOINC code represent?

This LOINC code identifies a lab observation, measurement, question, or clinical concept in a standardized format.

Is this enough to understand my test result?

No. The code identifies the test or observation, but the interpretation depends on the actual result, reference range, and clinical context.

LOINCActiveObservation

LOINC Code 99986-2: Tissue perfusion is maintained at or improved from baseline levels

Name: LOINC Code 99986-2: Tissue perfusion is maintained at or improved from baseline levels
Creator: HealthAssure Clinical Team
Published: 2026-05-21T09:00:34.292Z

99986-2 is a LOINC code used to identify Tissue perfusion is maintained at or improved from baseline levels in laboratory and clinical observation data. You may see this code in lab systems, lab reports, EHR exports, interoperability feeds, or other structured clinical data exchanges. LOINC codes identify tests, measurements, observations, survey items, and clinical questions in a standardized way. It is associated with the component Tissue perfusion is maintained at or improved from baseline levels. It is commonly used with the system or sample type ^Patient.

Reviewed by HealthAssure Clinical TeamUpdated 21 May 2026

What is this code?

LOINC codes identify tests, measurements, observations, survey items, and clinical questions in a standardized way. It is associated with the component Tissue perfusion is maintained at or improved from baseline levels. It is commonly used with the system or sample type ^Patient.

When is it used?

Used in lab systems, EHRs, and clinical data exchange.
May identify a test, observation, survey item, or clinical document request rather than a diagnosis.
Status: ACTIVE
Order vs observation: Observation

What it does not mean

The code identifies the observation or test, not the actual result.

Key facts

Tissue perfusion is maintained at or improved from baseline levels
Finding; Findings; Ordinal; PF; Point in time; QL; Qual; Qualitative; Random; Screen; Survey; SURVEY.PNDS

Where you may see this code

You may see this code in lab systems, lab reports, EHR exports, interoperability feeds, or other structured clinical data exchanges.

Common synonyms

Tissue perfusion is maintained at or improved from baseline levelsSURVEY.PNDSFindPt^PatientOrdFinding

Frequently asked questions

Code details

Code99986-2

SystemLOINC

Display nameTissue perfusion is maintained at or improved from baseline levels

ComponentTissue perfusion is maintained at or improved from baseline levels

PropertyFind

TimingPt

System (specimen)^Patient

ScaleOrd

ClassSURVEY.PNDS

StatusACTIVE

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.72

Last changed2.72

Part names

Tissue perfusion is maintained at or improved from baseline levelsFindPt^PatientOrdFindingPoint in time (spot)

About this content

This page is prepared by HealthAssure's clinical team using official coding standards from LOINC. AI tools assist with drafting explanations, which are then reviewed and verified by healthcare professionals for accuracy. This content is for informational purposes and does not replace professional medical advice. Meet our team.