LOINCActiveBoth

LOINC Code 40958-1: C. parvum identified Nom (Stl)

40958-1 is a LOINC code used to identify C. parvum identified Nom (Stl) 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 Cryptosporidium parvum. It is commonly used with the system or sample type Stool.

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 Cryptosporidium parvum. It is commonly used with the system or sample type Stool.

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: Both

What it does not mean

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

Key facts

  • Cryptosporidium parvum identified in Stool
  • Cryptosporidium parvum
  • Bowel movement; C parvum; Crypt; Crypto; Cryptosporidiosis; Faecal; Faeces; Fecal; Feces; Gastro; Gastroenterology; GI; ID; Identity or presence; Infectious Disease; InfectiousDisease; Microbiology; Nominal; Point in time; Random; Stl; Stool = Fecal

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

C. parvum identified Nom (Stl)Cryptosporidium parvum identified in StoolC parvum StlCryptosporidium parvumMICROCryptosporidium parvum test, StoolPrid

Frequently asked questions

Code details

Code40958-1
SystemLOINC
Display nameC. parvum identified Nom (Stl)
DescriptionCryptosporidium parvum
Short nameC parvum Stl
ComponentCryptosporidium parvum
PropertyPrid
TimingPt
System (specimen)Stool
ScaleNom
ClassMICRO
StatusACTIVE
Order/ObservationBoth

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.15
Last changed2.79

Consumer names

Cryptosporidium parvum test, Stool

Part names

Cryptosporidium parvumPridPtStoolNomPresence or IdentityPoint 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 40958-1 | HealthAssure