M34.81

Billable

Systemic sclerosis with lung involvement

This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).

What This Code Means

Systemic sclerosis with involvement of the lungs, causing breathing difficulties and reduced lung function.

Coding Tips

•Document the type of lung involvement (pulmonary fibrosis, pulmonary hypertension, etc.) for specificity
•Consider additional codes for pulmonary function test results or specific respiratory complications

Clinical Significance

Systemic sclerosis with lung involvement represents a major complication that can lead to pulmonary fibrosis, pulmonary hypertension, and respiratory failure. This manifestation significantly worsens prognosis and requires immediate pulmonology consultation and aggressive treatment.

Documentation Requirements

✓Confirmed systemic sclerosis diagnosis
✓Documentation of pulmonary involvement
✓High-resolution chest CT showing interstitial changes
✓Pulmonary function tests showing restriction or decreased DLCO
✓Echocardiogram or right heart catheterization for pulmonary hypertension
✓Exclusion of other causes of lung disease
✓Treatment plan including lung-protective strategies
✓Monitoring plan for respiratory function

Code Also

if applicable:
other interstitial pulmonary diseases (J84.89)
secondary pulmonary arterial hypertension (I27.21)

Commonly Confused Codes

J84.10 — Use for idiopathic pulmonary fibrosis, not scleroderma-related I27.0 — Use additionally for pulmonary hypertension when present M34.0 — Use when lung involvement is part of progressive systemic sclerosis J44.1 — Use for COPD, not scleroderma lung disease

Code Hierarchy

└M34Systemic sclerosis [scleroderma]└M34.8Other forms of systemic sclerosis └M34.81Systemic sclerosis with lung involvement

└M34.81Systemic sclerosis with lung involvement