J12.9 – Viral pneumonia, unspecified

ICD-10-CM 2027 diagnosis code · Influenza and pneumonia

Billable code

ICD-10-CM code J12.9
Code
J12.9 (claims format: J129)
Description
Viral pneumonia, unspecified
Billable
Yes – valid for HIPAA-covered transactions
Valid for
Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter
10. Diseases of the respiratory system (J00-J99)
Block
J09-J18 Influenza and pneumonia
Parent codes
J12

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

J12 – Viral pneumonia, not elsewhere classified

Includes:
  • bronchopneumonia due to viruses other than influenza viruses
Excludes2 (not included here):
  • 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 first:
Code also:
  • associated abscess, if applicable (J85.1)

Block J09-J18

Excludes2 (not included here):
  • allergic or eosinophilic pneumonia (J82)
  • aspiration pneumonia NOS (J69.0)
  • meconium pneumonia (P24.01)
  • neonatal aspiration pneumonia (P24.-)
  • pneumonia due to solids and liquids (J69.-)
  • congenital pneumonia (P23.9)
  • lipid pneumonia (J69.1)
  • rheumatic pneumonia (I00)
  • ventilator associated pneumonia (J95.851)
Use additional code:
  • code, if applicable, to identify resistance to antimicrobial drugs (Z16.-)

Index terms for J12.9

Entries in the ICD-10-CM alphabetic index that lead to this code:

Related codes in J12

Frequently asked questions

What is ICD-10 code J12.9?

J12.9 is the ICD-10-CM code for viral pneumonia, unspecified, in the block J09-J18 (Influenza and pneumonia).

Is J12.9 a billable code?

Yes. J12.9 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

What category does J12.9 belong to?

It belongs to category J12 – Viral pneumonia, not elsewhere classified.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.