J85.3 ICD-10-CA code: Abscess of mediastinum
J85.3 is the ICD-10-CA code for “Abscess of mediastinum” in CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026.
Official description
J85.3Abscess of mediastinum
ICD-10-CA · Canada · Also written J853
Index terms
Entries in CIHI’s alphabetical index that lead to J85.3. Searching the index by the condition the note names is how coders reach this code.
- Abscess (embolic) (infective) (metastatic) (multiple) (pyogenic) (septic), mediastinum
Notes for J85.3
As CIHI prints them, with any note J85.3 takes from the headings above it.
Excludes
Conditions classified elsewhere.
- 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 J85.3 sits
- 1ChapterChapter 10: Diseases of the respiratory system (J00-J99)
- 2Block J85-J86Suppurative and necrotic conditions of lower respiratory tract
- 3Category J85Abscess of lung and mediastinum
- 4Valid code J85.3Abscess of mediastinum
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.
Frequently asked questions
What does ICD-10-CA code J85.3 mean?
J85.3 is the ICD-10-CA code for “Abscess of mediastinum” in CIHI’s ICD-10-CA FY 2026–2027 release.
Where is J85.3 in ICD-10-CA?
J85.3 sits under J85 Abscess of lung and mediastinum, within J85-J86 Suppurative and necrotic conditions of lower respiratory tract, within Chapter 10: Diseases of the respiratory system (J00-J99).
What coding notes apply to J85.3?
ICD-10-CA lists Note, Excludes notes for J85.3, 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.