Z05.8 – Observation and evaluation of newborn for other specified suspected condition ruled out

ICD-10-CM 2027 diagnosis code · Persons encountering health services for examinations

Non-billable header

ICD-10-CM code Z05.8
Code
Z05.8 (claims format: Z058)
Description
Observation and evaluation of newborn for other specified suspected condition ruled out
Short description
Obs & eval of NB for oth suspected condition ruled out
Billable
No – use a more specific code below
Valid for
Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter
21. Factors influencing health status and contact with health services (Z00-Z99)
Block
Z00-Z13 Persons encountering health services for examinations
Parent codes
Z05

Billable codes under Z05.8

Z05.8 is a header code and cannot be used on claims. Choose the most specific code:

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

Z05 – Encounter for observation and evaluation of newborn for suspected diseases and conditions ruled out

Applicable to:
  • 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.

Block Z00-Z13

Excludes2 (not included here):
  • examinations related to pregnancy and reproduction (Z30-Z36, Z39.-)
Notes:
  • Nonspecific abnormal findings disclosed at the time of these examinations are classified to categories R70-R94.

Related codes in Z05

Frequently asked questions

What is ICD-10 code Z05.8?

Z05.8 is the ICD-10-CM code for observation and evaluation of newborn for other specified suspected condition ruled out, in the block Z00-Z13 (Persons encountering health services for examinations).

Is Z05.8 a billable code?

No. Z05.8 is a header code with more specific child codes; report one of the billable codes listed above.

What category does Z05.8 belong to?

It belongs to category Z05 – Encounter for observation and evaluation of newborn for suspected diseases and conditions ruled out.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.