What does this LOINC code represent?

This LOINC code identifies a lab observation, measurement, question, or clinical concept in a standardized format.

Is this enough to understand my test result?

No. The code identifies the test or observation, but the interpretation depends on the actual result, reference range, and clinical context.

LOINCActiveObservation

LOINC Code 11789-5: Cervical canal Diameter Probe insertion.Pratt

Name: LOINC Code 11789-5: Cervical canal Diameter Probe insertion.Pratt
Creator: HealthAssure Clinical Team
Published: 2026-05-21T11:17:22.973Z

11789-5 is a LOINC code used to identify Cervical canal Diameter Probe insertion.Pratt 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 Diameter. It is commonly used with the system or sample type Cervical canal.

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 Diameter. It is commonly used with the system or sample type Cervical canal.

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
Method: Probe insertion.Pratt

What it does not mean

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

Key facts

Cervical canal Diameter Probe insertion.Pratt
Diameter
Extent of dilation measured in French units
Cerv; Cvx canal; DIA; Diam; DNA NUCLEIC ACID PROBE; DNA probe; Gyn; Gynecology; insertions; Length; OB; ObGyn; OBSTERICAL; OBSTERICAL.ULTRASOUND; Obstetrical; Obstetrics; Point in time; Pratt prb; QNT; Quan; Quant; Quantitative; Random

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

Cervical canal Diameter Probe insertion.PrattCvx canal Diam Pratt prbDiameterOB.USLenPtCervical canal

Frequently asked questions

Code details

Code11789-5

SystemLOINC

Display nameCervical canal Diameter Probe insertion.Pratt

DescriptionDiameter

Short nameCvx canal Diam Pratt prb

ComponentDiameter

PropertyLen

TimingPt

System (specimen)Cervical canal

ScaleQn

MethodProbe insertion.Pratt

ClassOB.US

Example unitscm

StatusACTIVE

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released1.0j-a

Last changed2.48

Part names

DiameterLenPtCervical canalQnProbe insertion.PrattLengthPoint 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.