LOINCActiveObservation

LOINC Code 94536-0: Natural color of Hair

94536-0 is a LOINC code used to identify Natural color of Hair 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 Natural color. It is commonly used with the system or sample type Hair.

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 Natural color. It is commonly used with the system or sample type Hair.

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

Natural color of Hair
Natural color
This term is intended to record the patient's natural hair color for the purpose of skin typing assessments (like the Fitzpatrick scale [PMID3377516]).
Appearance; Colour; H+P; H+P.PX; Har; Nominal; P prime; Point in time; Random; Typ

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

Natural color of HairHair ColorNatural colorH&P.PXTypePtHair

Frequently asked questions

Code details

Code94536-0
SystemLOINC
Display nameNatural color of Hair
DescriptionNatural color
Short nameHair Color
ComponentNatural color
PropertyType
TimingPt
System (specimen)Hair
ScaleNom
ClassH&P.PX
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.68
Last changed2.68

Part names

Natural colorTypePtHairNomPoint 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.