10ICD Code Hub

J84.89

Billable code

Other specified interstitial pulmonary diseases

The ICD-10 code for other specified interstitial pulmonary diseases is J84.89.

Clinical notes

Code first

This code represents a manifestation of an underlying disease. Coding convention requires the underlying (etiology) code to be sequenced first, with this code listed second.

  • , if applicable:
  • poisoning due to drug or toxin (T51-T65 with fifth or sixth character to indicate intent), for toxic pneumonopathy
  • underlying cause of pneumonopathy, if known

Excludes1 (not coded here)

An Excludes1 note is a pure exclusion: the excluded condition and this code should never be reported together, because the two conditions cannot occur at the same time (e.g. a congenital form vs. an acquired form of the same disease).

  • cryptogenic organizing pneumonia (J84.116)
  • idiopathic non-specific interstitial pneumonitis (J84.113)
  • lipoid pneumonia, exogenous or unspecified (J69.1)
  • lymphoid interstitial pneumonia (J84.2)

Also known as

Alternate wording, synonyms, or specific conditions that fall under this code, listed to help confirm you've picked the right one.

  • Endogenous lipoid pneumonia
  • Interstitial pneumonitis
  • Non-specific interstitial pneumonitis NOS
  • Organizing pneumonia NOS

Use additional code

This code represents an underlying condition. When a related manifestation is also present, coding convention calls for an additional code to be listed after this one.

  • code, for adverse effect, to identify drug (T36-T50 with fifth or sixth character 5), if drug-induced

Documentation support

General coding-documentation guidance — not a substitute for payer-specific requirements or professional coding judgment.

Related codes in this category

ICD-9-CM equivalent

Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify before use in billing.

View full ICD-10 → ICD-9 crosswalk →

Associated MS-DRGs

J84.89 can serve as the principal diagnosis for these Medicare Severity Diagnosis-Related Groups.

Informational only — actual DRG assignment also depends on procedures, complications/comorbidities (CC/MCC), discharge status, and payer-specific rules not reflected here.