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Hello Mary,

Asthma is a common chronic respiratory condition that requires accurate ICD-10-CM coding for proper documentation, billing, and treatment tracking. Precise coding ensures compliance with regulations and enables optimal reimbursement. This newsletter presents key asthma codes and essential guidelines for correct coding practices.

ICD-10-CM Guidelines for Asthma Coding

1. Identify Asthma Type and Severity: Ensure that documentation specifies whether the asthma is intermittent or persistent and classifies its severity as mild, moderate, or severe.

2. Exacerbation vs. Status Asthmaticus: Use the appropriate fifth characters to indicate whether the patient is experiencing an acute exacerbation or status asthmaticus.

3. Combination Coding: Report the most specific primary diagnosis and include secondary codes if multiple types of asthma are documented.

4. Coding for Complications: Document and code any related conditions, such as:

- Respiratory failure (J96.0-)

- Chronic obstructive asthma (J44.9)

- Associated infections

5. Avoid Unspecified Codes: Although J45.909 (unspecified asthma, uncomplicated) is an option, use more specific codes whenever possible to enhance accuracy and improve reimbursement.

 Key Coding Considerations

- Asthma with COPD (Without Exacerbation/Specificity): Code this condition as J44.89.



- Asthma with COPD (With Exacerbation/Specificity): For this case, use the appropriate COPD exacerbation codes J44.0 to J44.1, along with the specific asthma code (J45.-).

- Eosinophilic Asthma: This subtype is coded as J82.83; however, it is important to follow the 'code first' instruction by reporting the specific type of asthma (J45.-) first.

Final Thoughts:

Accurate coding for asthma requires careful attention to detail in order to ensure proper classification and reimbursement. By adhering to the ICD-10-CM guidelines, medical coders can guarantee accurate claims submissions and maintain thorough patient record documentation. It is essential to stay informed about evolving coding standards and to always verify provider documentation for specificity.



Stay tuned for our next edition, where we will share more insights and best practices in coding!

Until the next time.

Happy Coding 

Coders Get Paid to Think

Mary D. Gregory, RHIT, CCS, CDIP, CRC, CPC, CCS-P