Verified
E03.9 - Hypothyroidism, unspecified
This code represents an underactive thyroid gland condition where the specific cause or type is not known.

Clinical Definition
Acute viral laryngitis is a temporary inflammation of the vocal cords (larynx) caused by a viral infection, typically lasting less than 3 weeks. The condition results in hoarseness, cough, and potential voice changes.
Documentation Requirements
Must specify "acute" in documentation
Confirm viral etiology (vs bacterial or other causes)
Duration of symptoms (typically <3 weeks)
Associated symptoms must be noted:
Hoarseness
Cough
Voice changes
Sore throat
Any underlying conditions
Treatment plan documented
Common Synonyms
Viral sore throat with hoarseness
Inflamed voice box
Laryngeal infection
"Lost voice"
"Frog in throat"
Coding Conflicts
Excludes1:
Chronic laryngitis (J37.0)
Influenza with laryngitis (J09.X, J10.1, J11.1)
Excludes2:
Bacterial laryngitis (J04.0)
Allergic laryngitis (J37.0)
Scribing.io Automation
AI scribe technology automatically identifies:
Keywords indicating acuity ("acute", "sudden onset")
Viral symptom patterns
Duration mentions
Voice-related complaints
Differentiating features from bacterial infection
The system flags if documentation is insufficient for acute viral laryngitis coding and prompts for missing elements.

