Non-Billable / Non-Specific Code
ICD-10-CM T18.1 is the diagnosis code for Foreign body in esophagus. This code falls under the section "Effects of foreign body entering through natural orifice" within Chapter 19 â Injury, poisoning and certain other consequences of external causes (S00-T88). 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 are not included in T18.1. If the patient has both, code each condition separately:
Understanding where T18.1 sits in the ICD-10-CM classification helps ensure proper coding:
No, T18.1 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.
T18.1 is the ICD-10-CM diagnosis code for "Foreign body in esophagus". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
The parent code of T18.1 is T18 ("Foreign body in alimentary tract"). T18.1 provides a more specific classification within this category.
T18.1 is located in Section T15-T19 â "Effects of foreign body entering through natural orifice" within Chapter 19 of the ICD-10-CM Tabular List.
T18.1 has 4 sub-code(s) that provide more specific detail: T18.10, T18.11, T18.12, T18.19.
Use T18.1 when the patients documented diagnosis matches "Foreign body in esophagus" 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 Foreign body in esophagus is T18.1.
No, T18.1 is non-billable. Use a more specific sub-code for primary diagnosis billing.
T18.1 is in Chapter 19 of the ICD-10-CM Tabular List.
Yes, T18.1 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.