ICD10BillableValid for clinical use
ICD-10 Code A42.82: Actinomycotic encephalitis
Reviewed by HealthAssure Clinical TeamUpdated 26 May 2026
What is this code?
ICD-10 codes are diagnosis classification codes used in healthcare records, reporting, coding workflows, and billing support. This code sits within the broader ICD-10 area for Certain infectious and parasitic diseases (A00-B99).
When is it used?
- May be used when a clinician documents actinomycotic encephalitis in a patient's medical record.
- May appear in hospital records, claims, referrals, and clinical documentation.
- This code can be used as a clinically usable diagnosis entry in standardized coding workflows.
What it does not mean
- A code alone does not explain severity, treatment plan, or outcome.
- A medical code should not be treated as a substitute for a doctor's diagnosis or advice.
Code hierarchy
chapter
1Certain infectious and parasitic diseases (A00-B99)
block
A30-A49Other bacterial diseases
category
A42Actinomycosis
category
A42.8Other forms of actinomycosis
currentA42.8
Where you may see this code
You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records.
Related specialists
Infectious Disease SpecialistGeneral Physician
Coverage-related procedures and services
CPT 95700high
ELECTROENCEPHALOGRAM (EEG) CONTINUOUS RECORDING, WITH VIDEO WHEN PERFORMED, SETUP, PATIENT EDUCATION, AND TAKEDOWN WHEN PERFORMED, ADMINISTERED IN PERSON BY EEG TECHNOLOGIST, MINIMUM OF 8 CHANNELS
Source: CMS coverage guidance
CPT 95705high
ELECTROENCEPHALOGRAM (EEG), WITHOUT VIDEO, REVIEW OF DATA, TECHNICAL DESCRIPTION BY EEG TECHNOLOGIST, 2-12 HOURS; UNMONITORED
Source: CMS coverage guidance
CPT 95708high
ELECTROENCEPHALOGRAM (EEG), WITHOUT VIDEO, REVIEW OF DATA, TECHNICAL DESCRIPTION BY EEG TECHNOLOGIST, EACH INCREMENT OF 12-26 HOURS; UNMONITORED
Source: CMS coverage guidance
Coding guidelines
Common synonyms
Actinomycotic encephalitis
Frequently asked questions
About this content
This page is prepared by HealthAssure's clinical team using official coding standards from ICD-10. 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.