Billable / Specific Code
ICD-10-CM J45.901 is the diagnosis code for Unspecified asthma with (acute) exacerbation. This code falls under the section "Chronic lower respiratory diseases" within Chapter 10 — 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.
Always refer to the official ICD-10-CM Tabular List for complete coding guidelines. Ensure documentation supports the specificity of the code selected. When in doubt, consult a certified medical coder or the latest CMS guidelines.
Understanding where J45.901 sits in the ICD-10-CM classification helps ensure proper coding:
Yes, J45.901 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
J45.901 is the ICD-10-CM diagnosis code for "Unspecified asthma with (acute) exacerbation". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
The parent code of J45.901 is J45.90 ("Unspecified asthma"). J45.901 provides a more specific classification within this category.
J45.901 is located in Section J40-J4A — "Chronic lower respiratory diseases" within Chapter 10 of the ICD-10-CM Tabular List.
Use J45.901 when the patients documented diagnosis matches "Unspecified asthma with (acute) exacerbation" 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 with (acute) exacerbation is J45.901.
Yes, J45.901 can be used as a primary diagnosis code since it is billable and specific.
J45.901 is in Chapter 10 of the ICD-10-CM Tabular List.
Yes, J45.901 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.