Non-Billable / Non-Specific Code
ICD-10-CM Z29 is the diagnosis code for Encounter for other prophylactic measures. This code falls under the section "Persons with potential health hazards related to communicable diseases" within Chapter 21 — Factors influencing health status and contact with health services (Z00-Z99). 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 Z29. They are mutually exclusive:
Understanding where Z29 sits in the ICD-10-CM classification helps ensure proper coding:
No, Z29 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.
Z29 is the ICD-10-CM diagnosis code for "Encounter for other prophylactic measures". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.
Z29 is located in Section Z20-Z29 — "Persons with potential health hazards related to communicable diseases" within Chapter 21 of the ICD-10-CM Tabular List.
Z29 has 4 sub-code(s) that provide more specific detail: Z29.1, Z29.3, Z29.8, Z29.9.
Use Z29 when the patients documented diagnosis matches "Encounter for other prophylactic measures" 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 other prophylactic measures is Z29.
No, Z29 is non-billable. Use a more specific sub-code for primary diagnosis billing.
Z29 is in Chapter 21 of the ICD-10-CM Tabular List.
Type 1 Excludes for Z29 include: desensitization to allergens (Z51.6); prophylactic surgery (Z40.-).
Yes, Z29 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.