Billable / Specific Code
ICD-10-CM Z13.858 is the diagnosis code for Encounter for screening for other nervous system disorders. This code falls under the section "Persons encountering health services for examinations" 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.
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 Z13.858 sits in the ICD-10-CM classification helps ensure proper coding:
Yes, Z13.858 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
Z13.858 is the ICD-10-CM diagnosis code for "Encounter for screening for other nervous system disorders". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
The parent code of Z13.858 is Z13.85 ("Encounter for screening for nervous system disorders"). Z13.858 provides a more specific classification within this category.
Z13.858 is located in Section Z00-Z13 — "Persons encountering health services for examinations" within Chapter 21 of the ICD-10-CM Tabular List.
Z13.858 has 1918 sub-code(s) that provide more specific detail: A00, A01, A02, A03, A04 and more.
Use Z13.858 when the patients documented diagnosis matches "Encounter for screening for other nervous system disorders" 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 Encounter for screening for other nervous system disorders is Z13.858.
Yes, Z13.858 can be used as a primary diagnosis code since it is billable and specific.
Z13.858 is in Chapter 21 of the ICD-10-CM Tabular List.
Yes, Z13.858 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.