ICD10Check
CheckerBrowseOpen

J12.3

✓ Billable

Human metapneumovirus pneumonia

Diseases of the respiratory system (J00-J99)

Check This Code

⚠️ Excludes2

inherited from J12

Rules from parent category J12: Viral pneumonia, not elsewhere classified

  • • aspiration pneumonia due to anesthesia during labor and delivery (O74.0)
  • • aspiration pneumonia due to anesthesia during pregnancy (O29)
  • • aspiration pneumonia due to anesthesia during puerperium (O89.0)
  • • aspiration pneumonia due to solids and liquids (J69.-)
  • • aspiration pneumonia NOS (J69.0)
  • • congenital pneumonia (P23.0)
  • • congenital rubella pneumonitis (P35.0)
  • • interstitial pneumonia NOS (J84.9)
  • • lipid pneumonia (J69.1)
  • • neonatal aspiration pneumonia (P24.-)

📋 Code Instructions

from J12
  • • Code first: associated influenza, if applicable (J09.X1, J10.0-, J11.0-)

🧪 Validate Combinations

Add J12.3 to the Excludes Checker to validate against your full code list.

Open in Checker →

Code Information

CodeJ12.3
BillableYes
ParentJ12
CategoryDiseases of the respiratory system (J00-J99)
Excludes10 rule(s)
Excludes210 note(s)

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)