Chapter 10: Diseases of the Respiratory System (codes J00–J99)

lower anatomical site, J40

Anatomical Subsite Default: When a respiratory condition is described as occurring in more than one site and is not specifically indexed, classify it to the ________ (e.g., tracheobronchitis is coded to bronchitis under ___).

J44

Chronic obstructive pulmonary disease code

J45

Asthma code

J44.0,J44.1

COPD with Both Infection and Exacerbation: Sequence code ___first, followed by ____or the specific infectious code.

status asthmaticus.

Status Asthmaticus vs. Exacerbation: If documentation mentions both an acute exacerbation and status asthmaticus, assign the code for_______

J09–J11

Influenza code

only confirmed cases

Strict Confirmation Requirement (J09, J10): Code ___________ of avian/novel influenza (J09) or other identified influenza strains (J10). Laboratory testing is not strictly required if the provider explicitly documents a confirmed strain.

does not apply

The standard inpatient rule for coding "suspected," "possible," or "probable" conditions ____ to categories J09 and J10.

J11

Assign category ____if influenza is documented without strain identification, or if it is documented as suspected/possible.

J96

Respiratory Failure ___

responsible for occasioning the admission

Principal Diagnosis: Acute respiratory failure (J96.0-) can be listed as the principal diagnosis if it is chiefly ____________.

Secondary Diagnosis

If admission was occasioned by another acute condition (e.g., severe trauma, myocardial infarction, or drug overdose), sequence that condition first and acute respiratory failure second.

Either may be sequenced first unless tabular notes instruct otherwise.

If acute respiratory failure and another acute condition (e.g., pneumonia or COPD exacerbation) both meet the criteria for principal diagnosis, __________

Vaping-Related Disorders U07.0

Assigned as the principal diagnosis when a patient is admitted primarily for acute respiratory, gastrointestinal, or systemic manifestations caused by e-cigarette/vaping use (EVALI).

secondary codes

Substance Abuse/Dependence: Assign _________ for associated nicotine or cannabis use/dependence (categories F17.-, F12.-).Vaping-Related Disorders

U07.1

COVID-19 Associated Respiratory Manifestations (U07.1)

• For respiratory manifestations resulting from COVID-19, assign ____as the principal diagnosis,

• specific manifestations

COVID-19 Associated Respiratory Manifestations (U07.1)

• For respiratory manifestations resulting from COVID-19, assign U07.1 as the principal diagnosis, followed by secondary codes for___ (e.g., pneumonia J12.82, acute bronchitis J20.8, or acute respiratory distress syndrome J80).