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 94817-4: Striated muscle Ab IA (S) [Titer]

Name: LOINC Code 94817-4: Striated muscle Ab IA (S) [Titer]
Creator: HealthAssure Clinical Team
Published: 2026-05-21T09:00:24.123Z

94817-4 is a LOINC code used to identify Striated muscle Ab IA (S) [Titer] 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 Striated muscle Ab. It is commonly used with the system or sample type Ser.

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 Striated muscle Ab. It is commonly used with the system or sample type Ser.

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: IA

What it does not mean

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

Key facts

Striated muscle Ab [Titer] in Serum by Immunoassay
Striated muscle Ab
Quantitative detection of striational (striated muscle) antibodies (IgG, IgM, and IgA) in serum by immunoassay methods.
ABS; Aby; Antby; Anti; Antibodies; Antibody; Autoantibodies; Autoantibody; Cardio; Cardiology; Dilution factor; Dilution Factor (Titer); EIA; ELFA; ELISA; Enzyme immunoassay; Genetics; Heart Disease; Heredity; Heritable; IAA; Inherited; MEIA; Musc; Muscl; Neuro; Neurology; Point in time; Random; Serology; Serum; Skeletal muscle; SMA; SmQn; SR; Stria Mus; SUDS; Titer; Titered; Titre; Ttr

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

Striated muscle Ab IA (S) [Titer]Striated muscle Ab [Titer] in Serum by ImmunoassayStria Mus Ab Titr Ser IAStriated muscle AbSEROStriated muscle antibody, BloodTitr

Frequently asked questions

Code details

Code94817-4

SystemLOINC

Display nameStriated muscle Ab IA (S) [Titer]

DescriptionStriated muscle Ab

Short nameStria Mus Ab Titr Ser IA

ComponentStriated muscle Ab

PropertyTitr

TimingPt

System (specimen)Ser

ScaleSemiQn

MethodIA

ClassSERO

Example unitstiter

StatusACTIVE

Order/ObservationObservation

Flags

BillableNo

Valid clinical useNo

Source

SourceLOINC

Version2.82

Releasemain

First released2.68

Last changed2.75

Consumer names

Striated muscle antibody, Blood

Part names

Striated muscle AbTitrPtSerSemiQnIATiterPoint in time (spot)SerumImmunoassay

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.