Billable / Specific Code
ICD-10-CM Z85.230 is the diagnosis code for Personal history of malignant carcinoid tumor of thymus. This code falls under the section "Persons with potential health hazards related to family and personal history and certain conditions influencing health status" within Chapter 21 — Factors influencing health status and contact with health services (Z00-Z99). 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.
Understanding where Z85.230 sits in the ICD-10-CM classification helps ensure proper coding:
Yes, Z85.230 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
Z85.230 is the ICD-10-CM diagnosis code for "Personal history of malignant carcinoid tumor of thymus". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
The parent code of Z85.230 is Z85.23 ("Personal history of malignant neoplasm of thymus"). Z85.230 provides a more specific classification within this category.
Z85.230 is located in Section Z77-Z99 — "Persons with potential health hazards related to family and personal history and certain conditions influencing health status" within Chapter 21 of the ICD-10-CM Tabular List.
Use Z85.230 when the patients documented diagnosis matches "Personal history of malignant carcinoid tumor of thymus" 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 Personal history of malignant carcinoid tumor of thymus is Z85.230.
Yes, Z85.230 can be used as a primary diagnosis code since it is billable and specific.
Z85.230 is in Chapter 21 of the ICD-10-CM Tabular List.
Yes, Z85.230 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.