Non-Billable / Non-Specific Code
ICD-10-CM Q18 is the diagnosis code for Other congenital malformations of face and neck. This code falls under the section "Congenital malformations of eye, ear, face and neck" within Chapter 17 — 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 Q18. They are mutually exclusive:
Understanding where Q18 sits in the ICD-10-CM classification helps ensure proper coding:
No, Q18 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.
Q18 is the ICD-10-CM diagnosis code for "Other congenital malformations of face and neck". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
Q18 is located in Section Q10-Q18 — "Congenital malformations of eye, ear, face and neck" within Chapter 17 of the ICD-10-CM Tabular List.
Q18 has 10 sub-code(s) that provide more specific detail: Q18.0, Q18.1, Q18.2, Q18.3, Q18.4 and more.
Use Q18 when the patients documented diagnosis matches "Other congenital malformations of face and neck" 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 face and neck is Q18.
No, Q18 is non-billable. Use a more specific sub-code for primary diagnosis billing.
Q18 is in Chapter 17 of the ICD-10-CM Tabular List.
Type 1 Excludes for Q18 include: cleft lip and cleft palate (Q35-Q37); conditions classified to Q67.0-Q67.4; congenital malformations of skull and face bones (Q75.-) and more.
Yes, Q18 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.