Is ICD-10-CM code J12 billable?

No, J12 (Viral pneumonia, not elsewhere classified) is a non-billable ICD-10-CM code. It must be coded to a more specific subcategory before it can be used for reimbursement.

What chapter does ICD-10-CM code J12 belong to?

J12 belongs to Chapter 10 of the ICD-10-CM tabular list: J00–J99 (Diseases of the Respiratory System).

J12Non-billable

Viral pneumonia, not elsewhere classified

Diseases of the Respiratory System·Influenza and pneumonia (J09-J18)·category·FY 2026

Use a more specific code (5 billable, 1 non-billable)

J12.0Adenoviral pneumonia J12.1Respiratory syncytial virus pneumonia J12.2Parainfluenza virus pneumonia J12.3Human metapneumovirus pneumonia J12.8Other viral pneumoniahas subcodes J12.9Viral pneumonia, unspecified

CH10 Parent Instructions

Excludes2(Not included here. Code separately if applicable.)

certain conditions originating in the perinatal period (P04-P96)
certain infectious and parasitic diseases (A00-B99)
complications of pregnancy, childbirth and the puerperium (O00-O9A)
congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
endocrine, nutritional and metabolic diseases (E00-E88)
injury, poisoning and certain other consequences of external causes (S00-T88)
neoplasms (C00-D49)
smoke inhalation (T59.81-)
symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)

Use Additional Code

code, where applicable, to identify:
exposure to environmental tobacco smoke (Z77.22)
exposure to tobacco smoke in the perinatal period (P96.81)
history of tobacco dependence (Z87.891)
occupational exposure to environmental tobacco smoke (Z57.31)
tobacco dependence (F17.-)
tobacco use (Z72.0)

J09-J18 Parent Instructions

Excludes2(Not included here. Code separately if applicable.)

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.-)

Instructional Notes

Includes

bronchopneumonia due to viruses other than influenza viruses

Excludes2(Not included here. Code separately if applicable.)

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

associated influenza, if applicable (J09.X1, J10.0-, J11.0-)

Code Also

associated abscess, if applicable (J85.1)

Clinical Hierarchy

BillableHas subcodes

CH10Diseases of the respiratory system (J00-J99)

J09-J18Influenza and pneumonia (J09-J18)

J12Viral pneumonia, not elsewhere classifiedNot billable

J12.0Adenoviral pneumoniaBillable

J12.1Respiratory syncytial virus pneumoniaBillable

J12.2Parainfluenza virus pneumoniaBillable

J12.3Human metapneumovirus pneumoniaBillable

J12.8Other viral pneumoniaSubcodes

J12.9Viral pneumonia, unspecifiedBillable

MS-DRG Classification

2026

No direct MS-DRG triggers identified.