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Z05

Non-billable

Encounter for observation and evaluation of newborn for suspected diseases and conditions ruled out

Z05 is the ICD-10-CM code for Encounter for observation and evaluation of newborn for suspected diseases and conditions ruled out. It is a non-billable category code — use a more specific child code such as Z05.0 for billing.

Status
Header (non-billable)
Chapter
Z00-Z99
Subcodes
10
Edition
FY2026

Z00-Z99 Factors influencing health status and contact with health services

Includes

  • •This category is to be used for newborns, within the neonatal period (the first 28 days of life), who are suspected of having an abnormal condition, but without signs or symptoms, and which, after examination and observation, is ruled out.

Frequently asked questions

What is ICD-10 code Z05?
Z05 is the ICD-10-CM code for "Encounter for observation and evaluation of newborn for suspected diseases and conditions ruled out". It falls under Z00-Z99 Factors influencing health status and contact with health services.
Is Z05 a billable code?
No — Z05 is a non-billable header code. Use a more specific child code (such as Z05.0) for billing.
What are the subcodes of Z05?
Z05 has 10 more specific child codes, including Z05.0, Z05.1, Z05.2.

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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