Non-Billable / Non-Specific Code
ICD-10-CM Q28 is the diagnosis code for Other congenital malformations of circulatory system. This code falls under the section "Congenital malformations of the circulatory system" within Chapter 17 â Congenital malformations, deformations and chromosomal abnormalities (Q00-QA0). 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.
The following conditions should never be coded at the same time as Q28. They are mutually exclusive:
The following conditions are not included in Q28. If the patient has both, code each condition separately:
Understanding where Q28 sits in the ICD-10-CM classification helps ensure proper coding:
No, Q28 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.
Q28 is the ICD-10-CM diagnosis code for "Other congenital malformations of circulatory system". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
Q28 is located in Section Q20-Q28 â "Congenital malformations of the circulatory system" within Chapter 17 of the ICD-10-CM Tabular List.
Q28 has 6 sub-code(s) that provide more specific detail: Q28.0, Q28.1, Q28.2, Q28.3, Q28.8 and more.
Use Q28 when the patients documented diagnosis matches "Other congenital malformations of circulatory system" 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 congenital malformations of circulatory system is Q28.
No, Q28 is non-billable. Use a more specific sub-code for primary diagnosis billing.
Q28 is in Chapter 17 of the ICD-10-CM Tabular List.
Type 1 Excludes for Q28 include: congenital aneurysm NOS (Q27.8); congenital coronary aneurysm (Q24.5); ruptured cerebral arteriovenous malformation (I60.8) and more.
Yes, Q28 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.