Billable / Specific Code
ICD-10-CM J84.170 is the diagnosis code for Interstitial lung disease with progressive fibrotic phenotype in diseases classified elsewhere. 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.
Understanding where J84.170 sits in the ICD-10-CM classification helps ensure proper coding:
Yes, J84.170 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
J84.170 is the ICD-10-CM diagnosis code for "Interstitial lung disease with progressive fibrotic phenotype in diseases classified elsewhere". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
The parent code of J84.170 is J84.17 ("Other interstitial pulmonary diseases with fibrosis in diseases classified elsewhere"). J84.170 provides a more specific classification within this category.
J84.170 is located in Section J80-J84 — "Other respiratory diseases principally affecting the interstitium" within Chapter 10 of the ICD-10-CM Tabular List.
Use J84.170 when the patients documented diagnosis matches "Interstitial lung disease with progressive fibrotic phenotype in diseases classified elsewhere" 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 Interstitial lung disease with progressive fibrotic phenotype in diseases classified elsewhere is J84.170.
Yes, J84.170 can be used as a primary diagnosis code since it is billable and specific.
J84.170 is in Chapter 10 of the ICD-10-CM Tabular List.
Yes, J84.170 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.