Billable / Specific Code
ICD-10-CM J84.113 is the diagnosis code for Idiopathic non-specific interstitial pneumonitis. This code falls under the section "Other respiratory diseases principally affecting the interstitium" within Chapter 10 — Diseases of the respiratory system (J00-J99). It is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.
The following conditions should never be coded at the same time as J84.113. They are mutually exclusive:
Understanding where J84.113 sits in the ICD-10-CM classification helps ensure proper coding:
Yes, J84.113 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
J84.113 is the ICD-10-CM diagnosis code for "Idiopathic non-specific interstitial pneumonitis". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
The parent code of J84.113 is J84.11 ("Idiopathic interstitial pneumonia"). J84.113 provides a more specific classification within this category.
J84.113 is located in Section J80-J84 — "Other respiratory diseases principally affecting the interstitium" within Chapter 10 of the ICD-10-CM Tabular List.
Use J84.113 when the patients documented diagnosis matches "Idiopathic non-specific interstitial pneumonitis" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.
The ICD-10-CM code for Idiopathic non-specific interstitial pneumonitis is J84.113.
Yes, J84.113 can be used as a primary diagnosis code since it is billable and specific.
J84.113 is in Chapter 10 of the ICD-10-CM Tabular List.
Type 1 Excludes for J84.113 include: non-specific interstitial pneumonia NOS, or due to known underlying cause (J84.89).
Yes, J84.113 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.