Billable / Specific Code
ICD-10-CM J45.909 is the diagnosis code for Unspecified asthma, uncomplicated. This code falls under the section "Chronic lower respiratory diseases" within Chapter 10 â Diseases of the respiratory system (J00-J99). It is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.
The following conditions are not included in J45.909. If the patient has both, code each condition separately:
Understanding where J45.909 sits in the ICD-10-CM classification helps ensure proper coding:
Yes, J45.909 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
J45.909 is the ICD-10-CM diagnosis code for "Unspecified asthma, uncomplicated". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
The parent code of J45.909 is J45.90 ("Unspecified asthma"). J45.909 provides a more specific classification within this category.
J45.909 is located in Section J40-J4A â "Chronic lower respiratory diseases" within Chapter 10 of the ICD-10-CM Tabular List.
Use J45.909 when the patients documented diagnosis matches "Unspecified asthma, uncomplicated" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.
The ICD-10-CM code for Unspecified asthma, uncomplicated is J45.909.
Yes, J45.909 can be used as a primary diagnosis code since it is billable and specific.
J45.909 is in Chapter 10 of the ICD-10-CM Tabular List.
Yes, J45.909 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.