ICD10BillableValid for clinical use
ICD-10 Code J84.114: Acute interstitial pneumonitis
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 Diseases of the respiratory system (J00-J99).
When is it used?
- May be used when a clinician documents acute interstitial pneumonitis 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
10Diseases of the respiratory system (J00-J99)
block
J80-J84Other respiratory diseases principally affecting the interstitium
category
J84Other interstitial pulmonary diseases
category
J84.1Other interstitial pulmonary diseases with fibrosis
category
J84.11Idiopathic interstitial pneumonia
currentJ84.11
Official coding notes
Inclusion terms
- Hamman-Rich syndrome
Excludes1 (do not code together)
- pneumocystis pneumonia (B59)
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
PulmonologistGeneral Physician
Related codes
J84.111Idiopathic interstitial pneumonia, not otherwise specifiedcodeJ84.112Idiopathic pulmonary fibrosiscodeJ84.113Idiopathic non-specific interstitial pneumonitiscodeJ84.115Respiratory bronchiolitis interstitial lung diseasecodeJ84.116Cryptogenic organizing pneumoniacodeJ84.117Desquamative interstitial pneumoniacode
Sibling codes
J84.111Idiopathic interstitial pneumonia, not otherwise specifiedbillableJ84.112Idiopathic pulmonary fibrosisbillableJ84.113Idiopathic non-specific interstitial pneumonitisbillableJ84.115Respiratory bronchiolitis interstitial lung diseasebillableJ84.116Cryptogenic organizing pneumoniabillableJ84.117Desquamative interstitial pneumoniabillable
Coverage-related procedures and services
CPT 87801high
INFECTIOUS AGENT DETECTION BY NUCLEIC ACID (DNA OR RNA), MULTIPLE ORGANISMS; AMPLIFIED PROBE(S) TECHNIQUE
Source: CMS coverage guidance
CPT 87633high
INFECTIOUS AGENT DETECTION BY NUCLEIC ACID (DNA OR RNA); RESPIRATORY VIRUS (EG, ADENOVIRUS, INFLUENZA VIRUS, CORONAVIRUS, METAPNEUMOVIRUS, PARAINFLUENZA VIRUS, RESPIRATORY SYNCYTIAL VIRUS, RHINOVIRUS), INCLUDES MULTIPLEX REVERSE TRANSCRIPTION, WHEN PERFORMED, AND MULTIPLEX AMPLIFIED PROBE TECHNIQUE, MULTIPLE TYPES OR SUBTYPES, 12-25 TARGETS
Source: CMS coverage guidance
CPT 87632high
INFECTIOUS AGENT DETECTION BY NUCLEIC ACID (DNA OR RNA); RESPIRATORY VIRUS (EG, ADENOVIRUS, INFLUENZA VIRUS, CORONAVIRUS, METAPNEUMOVIRUS, PARAINFLUENZA VIRUS, RESPIRATORY SYNCYTIAL VIRUS, RHINOVIRUS), INCLUDES MULTIPLEX REVERSE TRANSCRIPTION, WHEN PERFORMED, AND MULTIPLEX AMPLIFIED PROBE TECHNIQUE, MULTIPLE TYPES OR SUBTYPES, 6-11 TARGETS
Source: CMS coverage guidance
CPT 0564Uhigh
INFECTIOUS DISEASE (BACTERIAL AND/OR VIRAL RESPIRATORY TRACT INFECTION), PATHOGEN-SPECIFIC NUCLEIC ACID (DNA OR RNA), 10 VIRAL TARGETS AND 4 BACTERIAL TARGETS, QUALITATIVE RT-PCR, UPPER RESPIRATORY SPECIMEN, EACH PATHOGEN REPORTED AS POSITIVE OR NEGATIVE
Source: CMS coverage guidance
CPT 0563Uhigh
INFECTIOUS DISEASE (BACTERIAL AND/OR VIRAL RESPIRATORY TRACT INFECTION), PATHOGEN-SPECIFIC NUCLEIC ACID (DNA OR RNA), 11 VIRAL TARGETS AND 4 BACTERIAL TARGETS, QUALITATIVE RT-PCR, UPPER RESPIRATORY SPECIMEN, EACH PATHOGEN REPORTED AS POSITIVE OR NEGATIVE
Source: CMS coverage guidance
CPT 0225Uhigh
INFECTIOUS DISEASE (BACTERIAL OR VIRAL RESPIRATORY TRACT INFECTION) PATHOGEN-SPECIFIC DNA AND RNA, 21 TARGETS, INCLUDING SEVERE ACUTE RESPIRATORY SYNDROME CORONAVIRUS 2 (SARS-COV-2), AMPLIFIED PROBE TECHNIQUE, INCLUDING MULTIPLEX REVERSE TRANSCRIPTION FOR RNA TARGETS, EACH ANALYTE REPORTED AS DETECTED OR NOT DETECTED
Source: CMS coverage guidance
Coding guidelines
Common synonyms
Acute interstitial pneumonitis
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.