LOINCActiveObservation

LOINC Code 11879-4: Ovary - left [#] Follicles US

11879-4 is a LOINC code used to identify Ovary - left [#] Follicles US 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 Follicles. It is commonly used with the system or sample type Ovary.left.

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 Follicles. It is commonly used with the system or sample type Ovary.left.

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: US

What it does not mean

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

Key facts

  • Ovary - left [#] Follicles US
  • Follicles
  • Number of follicles seen in the left ovary
  • Cnt; Count; Echography; Gyn; Gynecology; L; LT; Number; OB; ObGyn; OBSTERICAL; OBSTERICAL.ULTRASOUND; Obstetrical; Obstetrics; Ovarian; Ovary-L; Point in time; QNT; Quan; Quant; Quantitative; Random; Sonogram; Sonograph; Sonography; ULS; Ultrasound

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

Ovary - left [#] Follicles USOvary-L Follicles USFolliclesOB.USNumPtOvary.left

Frequently asked questions

Code details

Code11879-4
SystemLOINC
Display nameOvary - left [#] Follicles US
DescriptionFollicles
Short nameOvary-L Follicles US
ComponentFollicles
PropertyNum
TimingPt
System (specimen)Ovary.left
ScaleQn
MethodUS
ClassOB.US
Example units#
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released1.0j-a
Last changed2.48

Part names

FolliclesNumPtOvary.leftQnUSNumber (count)Point in time (spot)Ovary LeftUltrasound

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 11879-4 | HealthAssure