LOINC

LOINC Code 52164-1: Deprecated Pulmonary therapy treatment plan, Medication timing TQ2

52164-1 is a LOINC code used to identify Deprecated Pulmonary therapy treatment plan, Medication timing TQ2 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 Medication timing. It is commonly used with the system or sample type Pulmonary therapy treatment.

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 Medication timing. It is commonly used with the system or sample type Pulmonary therapy treatment.

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: DEPRECATED

What it does not mean

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

Key facts

  • Deprecated Pulmonary therapy treatment plan, Medication timing TQ2
  • Medication timing
  • ATTACH; ATTACH.REHAB; ATTACH.REHAB.PULM; Lung; Point in time; Pulmonary; Pulmonary therapy Tx; Pulmonology; QNT; Quan; Quant; Quantitative; Random; Respiratory; Timing - quantity; Tx

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

Deprecated Pulmonary therapy treatment plan, Medication timing TQ2DeprecatedMedication timingATTACH.REHAB.PULMTQ2PtPulmonary therapy treatment

Frequently asked questions

Code details

Code52164-1
SystemLOINC
Display nameDeprecated Pulmonary therapy treatment plan, Medication timing TQ2
DescriptionMedication timing
Short nameDeprecated
ComponentMedication timing
PropertyTQ2
TimingPt
System (specimen)Pulmonary therapy treatment
ScaleQn
ClassATTACH.REHAB.PULM
StatusDEPRECATED

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.24
Last changed2.66

Part names

Medication timingTQ2PtPulmonary therapy treatmentQnTQ2 (HL7 datatype)Point 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.

LOINC Code 52164-1 | HealthAssure