ICDcodes.org
FY2027

J66Airway disease due to specific organic dust

Not billable

Is J66 billable?

No — J66 is a non-billable header code. J66 groups more specific codes and cannot be submitted on a claim. A valid ICD-10-CM code must be reported at the highest level of specificity available in its branch. Select one of the 4 billable codes beneath J66.

J66 at a glance

CodeJ66
DescriptionAirway disease due to specific organic dust
BillableNo — header code
Code setICD-10-CM FY2027
Valid for encountersOctober 1, 2026 – September 30, 2027

Excludes2 — not included here

The conditions below are not part of J66, but a patient may have both at the same time. When documentation supports it, J66 and the excluded code may both be reported.

  • allergic alveolitis (J67.-)
  • asbestosis (J61)
  • bagassosis (J67.1)
  • farmer's lung (J67.0)
  • hypersensitivity pneumonitis due to organic dust (J67.-)
  • reactive airways dysfunction syndrome (J68.3)

Use additional code — inherited from Chapter 10

Report an additional code alongside J66 to fully describe the condition. J66 is sequenced first.

  • code, where applicable, to identify:
  • exposure to environmental tobacco smoke (Z77.22)
  • exposure to tobacco smoke in the perinatal period (P96.81)
  • history of tobacco dependence (Z87.891)
  • occupational exposure to environmental tobacco smoke (Z57.31)
  • tobacco dependence (F17.-)
  • tobacco use (Z72.0)

Excludes2 — not included here — inherited from Chapter 10

The conditions below are not part of J66, but a patient may have both at the same time. When documentation supports it, J66 and the excluded code may both be reported.

  • certain conditions originating in the perinatal period (P04-P96)
  • certain infectious and parasitic diseases (A00-B99)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)
  • congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • injury, poisoning and certain other consequences of external causes (S00-T88)
  • neoplasms (C00-D49)
  • smoke inhalation (T59.81-)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)

Excludes2 — not included here — inherited from J60-J70

The conditions below are not part of J66, but a patient may have both at the same time. When documentation supports it, J66 and the excluded code may both be reported.

  • asthma (J45.-)
  • malignant neoplasm of bronchus and lung (C34.-)

What codes fall under J66? (4)

How long has J66 existed?

J66 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.

Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.