J84.8
Non-Billable

Other specified interstitial pulmonary diseases

Non-Billable / Non-Specific Code

What is Other specified interstitial pulmonary diseases?

ICD-10-CM J84.8 is the diagnosis code for Other specified interstitial pulmonary diseases. 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 non-billable/non-specific ICD-10-CM code that should not be used for reimbursement. A more specific sub-code is required for billing. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.

⛔ Excludes1

Coding Guidelines for J84.8

⛔ Type 1 Excludes (Never code together)

The following conditions should never be coded at the same time as J84.8. They are mutually exclusive:

  • exogenous lipoid pneumonia (J69.1)
  • unspecified lipoid pneumonia (J69.1)

ICD-10-CM Code Hierarchy

Understanding where J84.8 sits in the ICD-10-CM classification helps ensure proper coding:

Sub-Codes 5 entries
J84.81LymphangioleiomyomatosisBillableJ84.82Adult pulmonary Langerhans cell histiocytosisBillableJ84.83Surfactant mutations of the lungBillableJ84.84Other interstitial lung diseases of childhoodNon-BillableJ84.841Neuroendocrine cell hyperplasia of infancyBillableJ84.842Pulmonary interstitial glycogenosisBillableJ84.843Alveolar capillary dysplasia with vein misalignmentBillableJ84.848Other interstitial lung diseases of childhoodBillableJ84.89Other specified interstitial pulmonary diseasesBillable
Related Codes

Frequently Asked Questions

Is J84.8 a billable ICD-10-CM code?

No, J84.8 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.

What does J84.8 mean?

J84.8 is the ICD-10-CM diagnosis code for "Other specified interstitial pulmonary diseases". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What is the parent code of J84.8?

The parent code of J84.8 is J84 ("Other interstitial pulmonary diseases"). J84.8 provides a more specific classification within this category.

What section is J84.8 in?

J84.8 is located in Section J80-J84 — "Other respiratory diseases principally affecting the interstitium" within Chapter 10 of the ICD-10-CM Tabular List.

What are the sub-codes of J84.8?

J84.8 has 5 sub-code(s) that provide more specific detail: J84.81, J84.82, J84.83, J84.84, J84.89.

When should I use J84.8?

Use J84.8 when the patients documented diagnosis matches "Other specified interstitial pulmonary diseases" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.

People Also Ask

What is the ICD-10 code for Other specified interstitial pulmonary diseases?

The ICD-10-CM code for Other specified interstitial pulmonary diseases is J84.8.

Can J84.8 be used for primary diagnosis?

No, J84.8 is non-billable. Use a more specific sub-code for primary diagnosis billing.

What chapter is J84.8 in?

J84.8 is in Chapter 10 of the ICD-10-CM Tabular List.

What conditions are excluded from J84.8?

Type 1 Excludes for J84.8 include: exogenous lipoid pneumonia (J69.1); unspecified lipoid pneumonia (J69.1).

Is J84.8 valid for 2026?

Yes, J84.8 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousJ84.2Lymphoid interstitial pneumoniaNext →J84.81Lymphangioleiomyomatosis
Code Details
J84.8
Other specified interstitial pulmonary diseases
Non-Billable / Non-Specific Code
10 — Diseases of the respiratory system (J00-J99)
J80-J84 — Other respiratory diseases principally affecting the interstitium
2026 ICD-10-CM