What J47 covers · when clinicians use it
ICD-10 code J47 identifies Bronchiectasis in the U.S. ICD-10-CM clinical and billing record set. It sits within the Respiratory System chapter (J00–J99), the section that groups related diagnoses so providers, payers, and public-health agencies report them consistently. Clinicians and medical coders apply J47 when an encounter's findings match the Bronchiectasis description, attaching it to the patient record so downstream insurance claims, payer audits, quality reporting, and epidemiological surveillance all reference the same standardized diagnosis. The ICD-10-CM is maintained by the Centers for Medicare & Medicaid Services and the CDC's National Center for Health Statistics, with an updated official code set released each U.S. fiscal year — always verify J47 against the current CMS/CDC release and your payer's documentation guidance before final use. This page summarizes documentation context for J47 and is a coding reference, not clinical, diagnostic, or billing advice.
J47 refers to Bronchiectasis, which includes chronic respiratory diseases that obstruct airflow and reduce lung function over time. These conditions are often progressive, affect daily breathing, and require ongoing management to prevent exacerbations.
Symptoms
- Persistent cough with or without sputum – Common in all chronic bronchitis cases (J40–J42)
- Shortness of breath – A hallmark of COPD, emphysema (J43), and asthma (J45)
- Wheezing – Characteristic of asthma (J45) and reactive airway diseases
- Chest tightness – Experienced in asthma and chronic bronchitis
- Frequent lung infections – Seen in bronchiectasis (J47)
- Declining lung function – Particularly relevant in chronic lung allograft dysfunction (J4A)
Diagnosis
Diagnosis of Bronchiectasis involves spirometry, chest X-rays or CT scans, oxygen saturation testing, and patient history. In transplant cases (J4A), lung biopsy, pulmonary function trends, and imaging are essential to detect rejection or dysfunction.
ICD10 Code Usage
ICD10 code J47 is widely used by pulmonologists, internal medicine specialists, primary care physicians, and transplant teams. It helps guide treatment with inhalers, steroids, bronchodilators, oxygen therapy, pulmonary rehab, and transplant monitoring.
Related Codes
- J40 – Bronchitis, not specified as acute or chronic
- J41 – Simple and mucopurulent chronic bronchitis
- J42 – Unspecified chronic bronchitis
- J43 – Emphysema
- J44 – Other chronic obstructive pulmonary disease
- J45 – Asthma
- J4A – Chronic lung allograft dysfunction
FAQs
Q1: What is ICD10 code J47?
A: It refers to Bronchiectasis, a chronic lung condition that impairs breathing and requires ongoing management and sometimes hospitalization.
Q2: How does J40 differ from J41 or J42?
A: J40 is unspecified bronchitis; J41 and J42 are forms of chronic bronchitis, differentiated by mucus production and specificity.
Q3: Is asthma (J45) part of COPD?
A: No—while they share symptoms, asthma is typically reversible with treatment, whereas COPD (J44) is progressive and less reversible.
Q4: What is bronchiectasis (J47)?
A: It’s a condition where airways are permanently dilated due to infection or inflammation, leading to mucus buildup and recurrent infections.
Q5: Who manages these conditions?
A: Pulmonologists primarily, with support from respiratory therapists, transplant teams (for J4A), and primary care providers.
Conclusion
ICD10 code J47 is critical for managing and tracking Bronchiectasis, supporting diagnosis, respiratory therapy, medication use, and patient outcomes in chronic lung diseases.