Z05.5 – Observation and evaluation of newborn for suspected gastrointestinal condition ruled out
ICD-10-CM 2027 diagnosis code · Persons encountering health services for examinations
- Code
Z05.5(claims format:Z055)- Description
- Observation and evaluation of newborn for suspected gastrointestinal condition ruled out
- Short description
- Obs & eval of NB for suspected GI condition ruled out
- Billable
- Yes – valid for HIPAA-covered transactions
- 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
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
- 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
- Nonspecific abnormal findings disclosed at the time of these examinations are classified to categories R70-R94.
Index terms for Z05.5
Entries in the ICD-10-CM alphabetic index that lead to this code:
Related codes in Z05
- Z05.0 – Observation and evaluation of newborn for suspected cardiac condition ruled outBillable
- Z05.1 – Observation and evaluation of newborn for suspected infectious condition ruled outBillable
- Z05.2 – Observation and evaluation of newborn for suspected neurological condition ruled outBillable
- Z05.3 – Observation and evaluation of newborn for suspected respiratory condition ruled outBillable
- Z05.4 – Observation and evaluation of newborn for suspected genetic, metabolic or immunologic condition ruled outHeader
- Z05.6 – Observation and evaluation of newborn for suspected genitourinary condition ruled outBillable
- Z05.7 – Observation and evaluation of newborn for suspected skin, subcutaneous, musculoskeletal and connective tissue condition ruled outHeader
- Z05.8 – Observation and evaluation of newborn for other specified suspected condition ruled outHeader
- Z05.9 – Observation and evaluation of newborn for unspecified suspected condition ruled outBillable
Frequently asked questions
What is ICD-10 code Z05.5?
Z05.5 is the ICD-10-CM code for observation and evaluation of newborn for suspected gastrointestinal condition ruled out, in the block Z00-Z13 (Persons encountering health services for examinations).
Is Z05.5 a billable code?
Yes. Z05.5 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.
What category does Z05.5 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.