LOINC

LOINC Code 64557-2: When were your childs tonsils removed [Date and time] [PhenX]

64557-2 is a LOINC code used to identify When were your childs tonsils removed [Date and time] [PhenX] 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 When were your childs tonsils removed. 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 When were your childs tonsils removed. 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: TRIAL
  • Method: PhenX

What it does not mean

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

Key facts

  • When were your childs tonsils removed [Date and time] [PhenX]
  • When were your childs tonsils removed
  • Childs tonsil removed date; Date and time; Point in time; QNT; Quan; Quant; Quantitative; Random; Time stamp; Timestamp

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

When were your childs tonsils removed [Date and time] [PhenX]Childs tonsil removed date PhenXWhen were your childs tonsils removedPHENXTmStpPt^Patient

Frequently asked questions

Code details

Code64557-2
SystemLOINC
Display nameWhen were your childs tonsils removed [Date and time] [PhenX]
DescriptionWhen were your childs tonsils removed
Short nameChilds tonsil removed date PhenX
ComponentWhen were your childs tonsils removed
PropertyTmStp
TimingPt
System (specimen)^Patient
ScaleQn
MethodPhenX
ClassPHENX
StatusTRIAL

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.36
Last changed2.65

Part names

When were your childs tonsils removedTmStpPt^PatientQnPhenXTime Stamp (Date and Time)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 64557-2 | HealthAssure