LOINCActive

LOINC Code 18664-3: Rehabilitation treatment plan, Follow-up approach Set

18664-3 is a LOINC code used to identify Rehabilitation treatment plan, Follow-up approach Set 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 Follow-up approach. It is commonly used with the system or sample type Rehabilitation treatment plan.

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 Follow-up approach. It is commonly used with the system or sample type Rehabilitation treatment plan.

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

What it does not mean

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

Key facts

  • Rehabilitation treatment plan, Follow-up approach Set
  • Follow-up approach
  • Not sure of need/placement
  • ATTACH; ATTACH.REHAB; ATTACH.REHAB.ABUSE; Complex; Point in time; Random; Rehabilitation Tx Plan; RehabTx; Tx; Tx Plan

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

Rehabilitation treatment plan, Follow-up approach SetFollow-up approachATTACH.REHAB.ABUSECmplxPtRehabilitation treatment planSet

Frequently asked questions

Code details

Code18664-3
SystemLOINC
Display nameRehabilitation treatment plan, Follow-up approach Set
DescriptionFollow-up approach
ComponentFollow-up approach
PropertyCmplx
TimingPt
System (specimen)Rehabilitation treatment plan
ScaleSet
ClassATTACH.REHAB.ABUSE
StatusACTIVE

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0l
Last changed2.40

Part names

Follow-up approachCmplxPtRehabilitation treatment planSetComplexPoint 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.