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J95.4 ICD-10-CA code: Mendelson's syndrome

J95.4 is the ICD-10-CA code for “Mendelson's syndrome” in CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026.

Official description

J95.4

Mendelson's syndrome

ICD-10-CA · Canada · Also written J954

Index terms

Entries in CIHI’s alphabetical index that lead to J95.4. Searching the index by the condition the note names is how coders reach this code.

  • Mendelson's syndrome (due to anesthesia)
  • Pneumonitis (acute) (primary), aspiration, due to anesthesia

Notes for J95.4

As CIHI prints them, with any note J95.4 takes from the headings above it.

Includes

  • Chemical pneumonitis due to aspiration during anaesthesia

Excludes

Conditions classified elsewhere.

  • Complicating:• labour and delivery (O74.0)• pregnancy (O29.0)• puerperium (O89.0)
  • Emphysema (subcutaneous) resulting from a procedure (T81.81)pulmonary manifestations due to radiation (J70.0-J70.1)From J95 Postprocedural respiratory disorders, 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 J95.4 sits

  1. 1ChapterChapter 10: Diseases of the respiratory system (J00-J99)
  2. 2Block J95-J99Other diseases of the respiratory system
  3. 3Category J95Postprocedural respiratory disorders, not elsewhere classified
  4. 4Valid code J95.4Mendelson's syndrome

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 J95.4 in the CIHI source

Frequently asked questions

What does ICD-10-CA code J95.4 mean?

J95.4 is the ICD-10-CA code for “Mendelson's syndrome” in CIHI’s ICD-10-CA FY 2026–2027 release.

Where is J95.4 in ICD-10-CA?

J95.4 sits under J95 Postprocedural respiratory disorders, not elsewhere classified, within J95-J99 Other diseases of the respiratory system, within Chapter 10: Diseases of the respiratory system (J00-J99).

What coding notes apply to J95.4?

ICD-10-CA lists Includes, Excludes, Note notes for J95.4, 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 J95.4

J95.0Tracheostomy malfunctionJ95.1Acute pulmonary insufficiency following thoracic surgeryJ95.2Acute pulmonary insufficiency following nonthoracic surgeryJ95.3Chronic pulmonary insufficiency following surgeryJ95.5Postprocedural subglottic stenosisJ95.8Other postprocedural respiratory disordersJ95.9Postprocedural respiratory disorder, unspecified