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J15.5 ICD-10-CA code: Pneumonia due to Escherichia coli

J15.5 is the ICD-10-CA code for “Pneumonia due to Escherichia coli” in CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026.

Official description

J15.5

Pneumonia due to Escherichia coli

ICD-10-CA · Canada · Also written J155

Index terms

Entries in CIHI’s alphabetical index that lead to J15.5. Searching the index by the condition the note names is how coders reach this code.

  • Pneumonia (acute) (double) (migratory) (purulent) (septic) (unresolved), Escherichia coli (E. coli)
  • Pneumonia (acute) (double) (migratory) (purulent) (septic) (unresolved), in (due to), Escherichia coli (E. coli)
  • Pneumonia (acute) (double) (migratory) (purulent) (septic) (unresolved), lobar (disseminated) (interstitial), Escherichia coli (E. coli)
  • Pneumonia (acute) (double) (migratory) (purulent) (septic) (unresolved), broncho, bronchial (confluent) (croupous) (diffuse) (disseminated) (involving lobes) (lobar), Escherichia coli (E. coli)

Notes for J15.5

As CIHI prints them, with any note J15.5 takes from the headings above it.

Includes

Use additional code

Add a code for this detail when the note documents it.

Excludes

Conditions classified elsewhere.

  • Chlamydial pneumonia (J16.0)congenital pneumonia (P23.-)Legionnaires' disease (A48.1)From J15 Bacterial pneumonia, not elsewhere classified
  • Certain:• conditions originating in the perinatal period (P00-P96)• infectious and parasitic diseases (A00-B99)complications of pregnancy, childbirth and the puerperium (O00-O99)congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)endocrine, nutritional and metabolic diseases (E00-E90)injury, poisoning and certain other consequences of external causes (S00-T98)neoplasms (C00-D48)symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)From Chapter 10: Diseases of the respiratory system (J00-J99)

Note

  • When a respiratory condition is described as occurring in more than one site and is not specifically indexed, it should be classified to the lower anatomic site (e.g., tracheobronchitis to bronchitis in J40).From Chapter 10: Diseases of the respiratory system (J00-J99)

Where J15.5 sits

  1. 1ChapterChapter 10: Diseases of the respiratory system (J00-J99)
  2. 2Block J09-J18Influenza and pneumonia
  3. 3Category J15Bacterial pneumonia, not elsewhere classified
  4. 4Valid code J15.5Pneumonia due to Escherichia coli

Source and release

Data release
ICD-10-CA · FY 2026–2027
Effective date
Apr 1, 2026
Publisher
CIHI

This page is built from the ICD-10-CA catalog that Vero Codes reads when it suggests codes: Canadian Institute for Health Information’s FY 2026–2027 release, imported from the publisher’s file and checked against it. The description, notes and structured data come from the same record.

See J15.5 in the CIHI source

Frequently asked questions

What does ICD-10-CA code J15.5 mean?

J15.5 is the ICD-10-CA code for “Pneumonia due to Escherichia coli” in CIHI’s ICD-10-CA FY 2026–2027 release.

Where is J15.5 in ICD-10-CA?

J15.5 sits under J15 Bacterial pneumonia, not elsewhere classified, within J09-J18 Influenza and pneumonia, within Chapter 10: Diseases of the respiratory system (J00-J99).

What coding notes apply to J15.5?

ICD-10-CA lists Includes, Excludes, Use additional code, Note notes for J15.5, including those from the headings it sits under. They are listed on this page with where each one comes from.

Which ICD-10-CA release does this page use?

It uses CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026 to Mar 31, 2027. It is a reference: confirm the code against the current list and the payer’s rules before you submit it.

Codes beside J15.5

J15.0Pneumonia due to Klebsiella pneumoniaeJ15.1Pneumonia due to PseudomonasJ15.2Pneumonia due to staphylococcusJ15.3Pneumonia due to streptococcus, group BJ15.4Pneumonia due to other streptococciJ15.6Pneumonia due to other Gram-negative bacteriaJ15.7Pneumonia due to Mycoplasma pneumoniaeJ15.8Other bacterial pneumoniaJ15.9Bacterial pneumonia, unspecified