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ICD-10 Code J84.89: Other specified interstitial pulmonary diseases

J84.89 is a billable ICD-10 diagnosis code used to classify Other specified interstitial pulmonary diseases in medical records and claims. You may see this code in hospital records, discharge summaries, insurance claims, encounter documentation, referrals, or other healthcare billing and coding records. 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).

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 other specified interstitial pulmonary diseases 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
J84.8Other specified interstitial pulmonary diseases
currentJ84.8

Official coding notes

Inclusion terms
  • Endogenous lipoid pneumonia
  • Interstitial pneumonitis
  • Non-specific interstitial pneumonitis NOS
  • Organizing pneumonia NOS
Applicable to
  • code, for adverse effect, to identify drug (T36-T50 with fifth or sixth character 5), if drug-induced
  • , if applicable:
  • poisoning due to drug or toxin (T51-T65 with fifth or sixth character to indicate intent), for toxic pneumonopathy
  • underlying cause of pneumonopathy, if known
Excludes1 (do not code together)
  • cryptogenic organizing pneumonia (J84.116)
  • idiopathic non-specific interstitial pneumonitis (J84.113)
  • lipoid pneumonia, exogenous or unspecified (J69.1)
  • lymphoid interstitial pneumonia (J84.2)
Code first
  • , if applicable:
  • poisoning due to drug or toxin (T51-T65 with fifth or sixth character to indicate intent), for toxic pneumonopathy
  • underlying cause of pneumonopathy, if known
Use additional code
  • code, for adverse effect, to identify drug (T36-T50 with fifth or sixth character 5), if drug-induced

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

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

Other specified interstitial pulmonary diseases

Frequently asked questions

Code details

CodeJ84.89
SystemICD10
Display nameOther specified interstitial pulmonary diseases
ChapterDiseases of the respiratory system (J00-J99)
BlockOther respiratory diseases principally affecting the interstitium

Flags

BillableYes
Valid clinical useYes

Source

SourceICD-10
Version2026-annual
Releaseannual
Year2026

Index terms

Matched terms
BOOP(bronchiolitis obliterans organized pneumonia)Bronchiolitis(acute) (infective) (subacute)Disease, diseasedPneumonia(acute) (double) (migratory) (purulent) (septic) (unresolved)Pneumonia(acute) (double) (migratory) (purulent) (septic) (unresolved)Pneumonia(acute) (double) (migratory) (purulent) (septic) (unresolved)Pneumonia(acute) (double) (migratory) (purulent) (septic) (unresolved)Pneumonia(acute) (double) (migratory) (purulent) (septic) (unresolved)Pneumonia(acute) (double) (migratory) (purulent) (septic) (unresolved)Pneumonitis(acute) (primary)Pneumonitis(acute) (primary)Pneumonitis(acute) (primary)

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.

ICD-10 Code J84.89 for Other specified interstitial pulmonary diseases | HealthAssure