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ICD-10-CM Current in FY 2027

J16.0

Chlamydial pneumonia

Release
FY 2027
Effective

Hierarchy

Where J16.0 sits in the official hierarchy. Each level is the code it is classified under.

  1. J16 Parent Pneumonia due to other infectious organisms, not elsewhere classified
  2. J16.0 This code Chlamydial pneumonia

Official Coding Notes

Reproduced verbatim from the FY 2027 ICD-10-CM files. Notes labelled as inherited are declared on a parent code and apply here too.

Excludes1

congenital pneumonia ( P23 .-)

Inherited from J16 — Pneumonia due to other infectious organisms, not elsewhere classified

Excludes1

ornithosis ( A70 )

Inherited from J16 — Pneumonia due to other infectious organisms, not elsewhere classified

Excludes1

pneumocystosis ( B59 )

Inherited from J16 — Pneumonia due to other infectious organisms, not elsewhere classified

Excludes1

pneumonia NOS ( J18.9 )

Inherited from J16 — Pneumonia due to other infectious organisms, not elsewhere classified

Code First

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

Inherited from J16 — Pneumonia due to other infectious organisms, not elsewhere classified

Code Also

, if applicable, any associated condition such as:

Inherited from J16 — Pneumonia due to other infectious organisms, not elsewhere classified

Code Also

abscess ( J85.1 )

Inherited from J16 — Pneumonia due to other infectious organisms, not elsewhere classified

Code Also

aspiration pneumonia ( J69 .-)

Inherited from J16 — Pneumonia due to other infectious organisms, not elsewhere classified

Version History

How J16.0 appears in each release imported from the official files, newest first.

  1. FY 2027 Effective

    Current

    Chlamydial pneumonia

  2. FY 2026 Effective

    Unchanged

    Chlamydial pneumonia

Other codes under J16

Codes whose official notes reference J16.0

Data Source

Code information on this page is derived from the FY 2027 ICD-10-CM files published by CDC NCHS and CMS.

Release
FY 2027
Effective
Source file
icd10cm-code-descriptions-2027.zip

Official ICD-10-CM source files (opens in a new tab)

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