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J68.3

Billable

Other acute and subacute respiratory conditions due to chemicals, gases, fumes and vapors

HCC Category Mapping

V28HCC 280Chronic Obstructive Pulmonary Disease
0.334
V24HCC 112Fibrosis of Lung and Other Chronic Lung Disorders
0.268
ESRDHCC 112Fibrosis of Lung and Other Chronic Lung Disorders
0.000

What This Code Means

Other acute or short-term breathing problems resulting from exposure to harmful chemicals, gases, fumes, or vapors that don't fit other specific categories.

Coding Tips

  • Use this code for acute respiratory symptoms that don't meet criteria for pulmonary edema or upper respiratory inflammation
  • Document onset timing and specific exposure details to support acute classification

Clinical Significance

This code captures acute and subacute respiratory conditions from chemical exposure that do not fit the more specific categories of bronchitis, pneumonitis, pulmonary edema, or upper airway inflammation. It is important for risk adjustment as it documents chemical-induced respiratory disease that may progress to chronic lung disease.

Documentation Requirements

  • Documentation of the specific acute or subacute respiratory manifestation
  • Identification of the chemical, gas, fume, or vapor causing the condition
  • Timing of onset relative to chemical exposure confirming acute/subacute classification
  • Clinical findings and imaging results
  • Explanation of why more specific J68 codes do not apply
  • External cause codes for the exposure circumstances

Commonly Confused Codes

Code Hierarchy

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