ICD-10-CM
ICD-10 code for Suspected condition, ruled out newborn: Z05.9
The ICD-10-CM index points "Suspected condition, ruled out newborn" to Z05.9, Observation and evaluation of newborn for unspecified suspected condition ruled out. Z05.9 is a billable code.
Source: CDC ICD-10-CM FY2027 Alphabetic Index file dated June 16, 2026. Publisher page
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More specific codes in Z05
A header groups codes and is not billed. A billable code is one you can report.
- Z05Encounter for observation and evaluation of newborn for suspected diseases and conditions ruled outHeader
- Z05.0Observation and evaluation of newborn for suspected cardiac condition ruled outBillable
- Z05.1Observation and evaluation of newborn for suspected infectious condition ruled outBillable
- Z05.2Observation and evaluation of newborn for suspected neurological condition ruled outBillable
- Z05.3Observation and evaluation of newborn for suspected respiratory condition ruled outBillable
- Z05.4Observation and evaluation of newborn for suspected genetic, metabolic or immunologic condition ruled outHeader
- Z05.41Observation and evaluation of newborn for suspected genetic condition ruled outBillable
- Z05.42Observation and evaluation of newborn for suspected metabolic condition ruled outBillable
- Z05.43Observation and evaluation of newborn for suspected immunologic condition ruled outBillable
- Z05.5Observation and evaluation of newborn for suspected gastrointestinal condition ruled outBillable
- Z05.6Observation and evaluation of newborn for suspected genitourinary condition ruled outBillable
- Z05.7Observation and evaluation of newborn for suspected skin, subcutaneous, musculoskeletal and connective tissue condition ruled outHeader
- Z05.71Observation and evaluation of newborn for suspected skin and subcutaneous tissue condition ruled outBillable
- Z05.72Observation and evaluation of newborn for suspected musculoskeletal condition ruled outBillable
- Z05.73Observation and evaluation of newborn for suspected connective tissue condition ruled outBillable
- Z05.8Observation and evaluation of newborn for other specified suspected condition ruled outHeader
- Z05.81Observation and evaluation of newborn for suspected condition related to home physiologic monitoring device ruled outBillable
- Z05.89Observation and evaluation of newborn for other specified suspected condition ruled outBillable
- Z05.9Observation and evaluation of newborn for unspecified suspected condition ruled outBillable
Related conditions
Related pages
- Z05.9 code detailsNotes, nearby codes, CMS-HCC group
- Category Z05Every code under it
- Chapter 21Factors influencing health status
- ICD-10 codes by conditionA to Z
- Check a list of ICD-10 codes
- Denial code CO-11Diagnosis does not support the procedure
- Denial code CO-146Diagnosis invalid for the date of service
- HCPCS Level II code lookup
Questions
What is the ICD-10 code for Suspected condition, ruled out newborn?
The ICD-10-CM index points "Suspected condition, ruled out newborn" to Z05.9, Observation and evaluation of newborn for unspecified suspected condition ruled out. Z05.9 is a billable code.
Is Z05.9 billable?
Yes. Z05.9 is a billable code in the FY2027 ICD-10-CM file. Use a more specific code when the record documents one.
What chapter is Z05.9 in?
Chapter 21. Factors influencing health status.
When do ICD-10-CM codes change?
Every October 1, with the new fiscal year file. Some years add April 1 updates. This page uses the FY2027 file, effective October 1, 2026.