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J64 ICD-10-CA code: Unspecified pneumoconiosis

J64 is the ICD-10-CA code for “Unspecified pneumoconiosis” in CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026.

Official description

J64

Unspecified pneumoconiosis

ICD-10-CA · Canada

Index terms

Entries in CIHI’s alphabetical index that lead to J64. Searching the index by the condition the note names is how coders reach this code.

  • Dust exposure (inorganic), reticulation
  • Pneumoconiosis NEC (due to) (inhalation of)
  • Asthma, asthmatic (bronchial) (catarrh) (spasmodic), pneumoconiotic NEC
  • Fibrosis, fibrotic, lung (atrophic) (capillary) (chronic) (confluent) (massive) (perialveolar) (peribronchial), with, dust reticulation
  • Fibrosis, fibrotic, lung (atrophic) (capillary) (chronic) (confluent) (massive) (perialveolar) (peribronchial), with, pneumoconiosis NEC

Notes for J64

As CIHI prints them, with any note J64 takes from the headings above it.

Excludes

Conditions classified elsewhere.

  • With tuberculosis in A15-A16 (J65)
  • Asthma classified to J45.-From J60-J70 Lung diseases due to external agents
  • 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 J64 sits

  1. 1ChapterChapter 10: Diseases of the respiratory system (J00-J99)
  2. 2Block J60-J70Lung diseases due to external agents
  3. 3Valid code J64Unspecified pneumoconiosis

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 J64 in the CIHI source

Frequently asked questions

What does ICD-10-CA code J64 mean?

J64 is the ICD-10-CA code for “Unspecified pneumoconiosis” in CIHI’s ICD-10-CA FY 2026–2027 release.

Where is J64 in ICD-10-CA?

J64 sits under J60-J70 Lung diseases due to external agents, within Chapter 10: Diseases of the respiratory system (J00-J99).

What coding notes apply to J64?

ICD-10-CA lists Excludes, Note notes for J64, 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 J64

J60Coalworker's pneumoconiosisJ61Pneumoconiosis due to asbestos and other mineral fibresJ62Pneumoconiosis due to dust containing silicaJ63Pneumoconiosis due to other inorganic dustsJ65Pneumoconiosis associated with tuberculosisJ66Airway disease due to specific organic dustJ67Hypersensitivity pneumonitis due to organic dustJ68Respiratory conditions due to inhalation of chemicals, gases, fumes and vapoursJ69Pneumonitis due to solids and liquidsJ70Respiratory conditions due to other external agents