J84.09
BillableOther alveolar and parieto-alveolar conditions
HCC Category Mapping
V28HCC 280 — Chronic Obstructive Pulmonary Disease
0.334V24HCC 112 — Fibrosis of Lung and Other Chronic Lung Disorders
0.268ESRDHCC 112 — Fibrosis of Lung and Other Chronic Lung Disorders
0.000RxHCCHCC 227 — Sarcoidosis, Pulmonary Alveolar Disorders
0.000What This Code Means
Other rare lung conditions affecting the air sacs and surrounding tissue that are not classified elsewhere.
Coding Tips
- •Use this code only when a more specific alveolar or parieto-alveolar condition code is not available
- •Document the specific diagnosis in detail for clarity
Clinical Significance
This residual code captures rare alveolar and parieto-alveolar conditions not classified elsewhere, such as diffuse alveolar damage or other rare alveolar diseases. It is significant for risk adjustment as it captures uncommon but serious lung conditions that typically require specialized pulmonary care.
Documentation Requirements
- ✓Specific description of the alveolar or parieto-alveolar condition
- ✓Documentation that the condition does not fit J84.01, J84.02, or J84.03 categories
- ✓Imaging and pathology findings supporting the diagnosis
- ✓Pulmonary function test results
- ✓Treatment plan and specialist follow-up
- ✓Clinical reasoning for the specific alveolar diagnosis
Commonly Confused Codes
J84.01 (Alveolar proteinosis) — specific alveolar filling disease; use when confirmedJ84.02 (Pulmonary alveolar microlithiasis) — mineral deposits; use when confirmedJ84.03 (Idiopathic pulmonary hemosiderosis) — iron deposition; use when confirmedJ84.10 (Pulmonary fibrosis, unspecified) — fibrotic process vs. other alveolar conditions
Code Hierarchy
└J84Other interstitial pulmonary diseases└J84.0Alveolar and parieto-alveolar conditions└J84.09Other alveolar and parieto-alveolar conditions
└J84.09Other alveolar and parieto-alveolar conditions