J68

Respiratory conditions due to inhalation of chemicals, gases, fumes and vapors

Header / non-billable

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This code does not map to a risk-adjusting HCC in the loaded models.

Coding notes

Excludes 1 never coded together · Excludes 2 may co-exist

This code · J68
Use additional

code to identify associated respiratory conditions, such as: acute respiratory failure (J96.0-)

Code first

(T51-T65) to identify cause

Inherited from J60-J70Lung diseases due to external agents
Excludes 2

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

Inherited from chapter 10Diseases of the respiratory system
Excludes 2

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)

Use additional

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)

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).

Official Guidelines for J68

FY 2026 ›
I.C.10Chapter-specific guidanceChapter 10: Diseases of the Respiratory System (J00-J99), U07.0

Subsections

Sections that reference J68

Sections whose FY 2026 text names J68, its J68 category, or a range containing it — the chapter guidance above is the authoritative source.