J16

ICD-10Non-billable category

Pneumonia due to oth infectious organisms, NEC

Official ICD-10-CM descriptor (FY2026)

Pneumonia due to other infectious organisms, not elsewhere classified

J16 is a category heading, not a billable code. CMS does not accept it on a claim; report one of the more specific codes beneath it.

Excludes1

Not coded here. An Excludes1 code should never be reported at the same time as the code above it.

  • congenital pneumonia (P23.-)
  • ornithosis (A70)
  • pneumocystosis (B59)
  • pneumonia NOS (J18.9)

Code first

Sequence the underlying condition before this code.

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

Code also

Two codes may be needed; sequencing depends on the reason for the encounter.

  • , if applicable, any associated condition such as:
  • abscess (J85.1)
  • aspiration pneumonia (J69.-)

More specific codes under J16

Where this code sits

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Source

ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.

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