Billable / Specific Code
ICD-10-CM J44.9 is the diagnosis code for Chronic obstructive pulmonary disease, unspecified. 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 J44.9. If the patient has both, code each condition separately:
Understanding where J44.9 sits in the ICD-10-CM classification helps ensure proper coding:
Yes, J44.9 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
J44.9 is the ICD-10-CM diagnosis code for "Chronic obstructive pulmonary disease, unspecified". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
The parent code of J44.9 is J44 ("Other chronic obstructive pulmonary disease"). J44.9 provides a more specific classification within this category.
J44.9 is located in Section J40-J4A â "Chronic lower respiratory diseases" within Chapter 10 of the ICD-10-CM Tabular List.
Use J44.9 when the patients documented diagnosis matches "Chronic obstructive pulmonary disease, unspecified" 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 Chronic obstructive pulmonary disease, unspecified is J44.9.
Yes, J44.9 can be used as a primary diagnosis code since it is billable and specific.
J44.9 is in Chapter 10 of the ICD-10-CM Tabular List.
Yes, J44.9 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.