J84.2
✓ BillableLymphoid interstitial pneumonia
Diseases of the respiratory system (J00-J99)
Also Known As
❌ Excludes1
inheritedRules inherited from parent codes in the hierarchy.
- • drug-induced interstitial lung disorders (J70.2-J70.4)
- • interstitial emphysema (J98.2)
⚠️ Excludes2
inheritedRules inherited from parent codes.
- • lung diseases due to external agents (J60-J70)
Clinical Description
ICD-10-CM code J84.2 represents lymphoid interstitial pneumonia. This code falls under the Diseases of the respiratory system (J00-J99) classification. It is a billable/specific code valid for HIPAA-covered transactions as of October 1, 2025 (FY2026). This code can be used to indicate a diagnosis for reimbursement purposes on insurance claims.
This is a 5-character code at the 4th level of specificity. This is the most specific code available in this subcategory. Coders should note that J84.2 has 2 Excludes1 restriction(s) — codes that cannot be reported together on the same claim.
Frequently Asked Questions
What is ICD-10 code J84.2?
ICD-10-CM code J84.2 is "Lymphoid interstitial pneumonia". It belongs to the category: Diseases of the respiratory system (J00-J99).
Is J84.2 a billable ICD-10 code?
Yes, J84.2 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
What codes are excluded with J84.2?
J84.2 has 2 Excludes1 rule(s). These codes are mutually exclusive and cannot be coded together on the same claim.
Can J84.2 be coded with other codes?
J84.2 has 1 Excludes2 note(s). These conditions can be coded together if both are documented in the patient record.
Related Codes in J84
Other codes in the same category that may be relevant for differential coding:
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Data Source
CMS ICD-10-CM 2026 Tabular List
Updated October 1, 2025 (FY2026)