Non-Billable / Non-Specific Code
ICD-10-CM I27 is the diagnosis code for Other pulmonary heart diseases. This code falls under the section "Pulmonary heart disease and diseases of pulmonary circulation" within Chapter 9 — Diseases of the circulatory system (I00-I99). It is a non-billable/non-specific ICD-10-CM code that should not be used for reimbursement. A more specific sub-code is required for billing. 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 I27 sits in the ICD-10-CM classification helps ensure proper coding:
No, I27 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.
I27 is the ICD-10-CM diagnosis code for "Other pulmonary heart diseases". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
I27 is located in Section I26-I28 — "Pulmonary heart disease and diseases of pulmonary circulation" within Chapter 9 of the ICD-10-CM Tabular List.
I27 has 5 sub-code(s) that provide more specific detail: I27.0, I27.1, I27.2, I27.8, I27.9.
Use I27 when the patients documented diagnosis matches "Other pulmonary heart diseases" 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 Other pulmonary heart diseases is I27.
No, I27 is non-billable. Use a more specific sub-code for primary diagnosis billing.
I27 is in Chapter 9 of the ICD-10-CM Tabular List.
Yes, I27 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.