LOINCActiveObservation

LOINC Code 11135-1: Appearance (Spun CSF)

11135-1 is a LOINC code used to identify Appearance (Spun CSF) 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 Observation. It is commonly used with the system or sample type CSF.spun.

Reviewed by HealthAssure Clinical TeamUpdated 25 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 Observation. It is commonly used with the system or sample type CSF.spun.

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

  • Appearance of Spun Cerebral spinal fluid
  • Observation
  • Appearance; Cerebral spinal fluid; Cerebrospinal Fl; Nominal; Point in time; Random; SPEC; Spinal Fl; Spinal Fld; Spinal Flu; Spinal Fluid; spun CSF; Supernat; Supernate

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

Appearance (Spun CSF)Appearance of Spun Cerebral spinal fluidAppearance spun CSFObservationSPECAppearance, Spun CSFAper

Frequently asked questions

Code details

Code11135-1
SystemLOINC
Display nameAppearance (Spun CSF)
DescriptionObservation
Short nameAppearance spun CSF
ComponentObservation
PropertyAper
TimingPt
System (specimen)CSF.spun
ScaleNom
ClassSPEC
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0j-a
Last changed2.79

Consumer names

Appearance, Spun CSF

Part names

ObservationAperPtCSF.spunNomAppearancePoint in time (spot)Spun Cerebral spinal fluid

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 11135-1 | HealthAssure