LOINC

LOINC Code 29297-9: Deprecated Color of Unspecified specimen

29297-9 is a LOINC code used to identify Deprecated Color of Unspecified specimen 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 Color. It is commonly used with the system or sample type XXX.

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 Color. It is commonly used with the system or sample type XXX.

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
  • Method: Visual

What it does not mean

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

Key facts

  • Deprecated Color of Unspecified specimen
  • Color
  • Appearance; Colour; H+P; H+P.PX; Misc; Miscellaneous; Nominal; Other; P prime; Point in time; Random; Spec; To be specified in another part of the message; Typ; Unspecified

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 Color of Unspecified specimenDeprecatedColorColorH&P.PXTypePtXXX

Frequently asked questions

Code details

Code29297-9
SystemLOINC
Display nameDeprecated Color of Unspecified specimen
DescriptionColor
Short nameDeprecatedColor
ComponentColor
PropertyType
TimingPt
System (specimen)XXX
ScaleNom
MethodVisual
ClassH&P.PX
StatusDEPRECATED

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.03
Last changed2.36

Part names

ColorTypePtXXXNomVisualPoint 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 29297-9 | HealthAssure