LOINCActiveObservation

LOINC Code 44619-5: Length of tissue core(s) (Spec) [Length]

44619-5 is a LOINC code used to identify Length of tissue core(s) (Spec) [Length] 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 Length of tissue core(s). It is commonly used with the system or sample type Specimen.

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 Length of tissue core(s). It is commonly used with the system or sample type Specimen.

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

  • Length of tissue core(s)
  • Len; Length; Pathology; PATHOLOGY PROTOCOLS; PATHOLOGY PROTOCOLS general; Point in time; QNT; Quan; Quant; Quantitative; Random; S prime; Spec

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

Length of tissue core(s) (Spec) [Length]Length of tissue core(s)PATH.PROTOCOLS.GENERLength of tissue core(s), SpecimenLenPtSpecimen

Frequently asked questions

Code details

Code44619-5
SystemLOINC
Display nameLength of tissue core(s) (Spec) [Length]
DescriptionLength of tissue core(s)
Short nameLength of tissue core(s)
ComponentLength of tissue core(s)
PropertyLen
TimingPt
System (specimen)Specimen
ScaleQn
ClassPATH.PROTOCOLS.GENER
Example unitsmm
StatusACTIVE
Order/ObservationObservation

Flags

BillableNo
Valid clinical useNo

Source

SourceLOINC
Version2.82
Releasemain
First released2.17
Last changed2.70

Consumer names

Length of tissue core(s), Specimen

Part names

Length of tissue core(s)LenPtSpecimenQnLengthPoint 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 44619-5 | HealthAssure