ICD-10 J84
Non-Billable HeaderOther interstitial pulmonary diseases
About ICD-10-CM J84
ICD-10-CM code J84 represents Other interstitial pulmonary diseases. This is a non-billable header code in the Respiratory System chapter (block J84). The 2026 edition of ICD-10-CM J84 became effective on October 1, 2025. Non-billable codes cannot be used as a primary or secondary diagnosis on a claim, use a more specific child code instead.
Type 1 Excludes
Pure excludes, these codes can never be coded together with J84. The conditions are mutually exclusive (e.g., congenital vs acquired forms).
- drug-induced interstitial lung disorders (J70.2-J70.4)
- interstitial emphysema (J98.2)
Type 2 Excludes
Not included here, the excluded code is not part of J84, but a patient may have both conditions at the same time. Both codes may be coded together when applicable.
- lung diseases due to external agents (J60-J70)
Coding Notes
Code Also
- , if applicable, associated condition
Medicare LCD Coverage for J84
Local Coverage Determinations (LCDs) from CMS MACs that list J84 as a covered diagnosis.
This doesn't mean the code isn't covered, it means no MAC has issued a Local Coverage Determination naming this specific code. Coverage may still apply under National Coverage Determinations or general medical-necessity rules.
Commercial Payer Coverage
Coverage policies from major commercial payers referencing J84.
Our payer policy database covers Aetna, Cigna, Anthem, BCBS, Humana, and Medicare Advantage plans, but J84 doesn't currently appear in any indexed policy. The code may still be covered under standard plan benefits.
CPT Codes Commonly Billed with J84
Procedures frequently paired with this diagnosis based on PayerReady's Dx↔Px linkage data.
We don't have CPT pairings indexed for this specific code yet. Use the CPT search above to find common procedures, or check your payer's published medical policy for code-specific guidance.
Codes Adjacent To J84
Other codes in section J80-J84 (Other respiratory diseases principally affecting the interstitium).
ICD-10 J84, Billing FAQ
Is ICD-10 code J84 billable? +
No, J84 is a non-billable header code. Use a more specific child code from block J84 when submitting claims.
What codes are Type 1 Excludes for J84? +
Type 1 Excludes (never code together with J84): drug-induced interstitial lung disorders (J70.2-J70.4); interstitial emphysema (J98.2)
What codes are Type 2 Excludes for J84? +
Type 2 Excludes (may be coded together when both conditions exist): lung diseases due to external agents (J60-J70)
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Reviewed by the PayerReady Medical Coding Team
Verified against the CMS 2026 code set on June 1, 2026.
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