Encounter for observation and evaluation of newborn for suspected diseases and conditions ruled out
In Persons encountering health services for examinations (Z00-Z13), chapter 21: Factors Influencing Health Status and Contact with Health Services
15 billable codes under Z05: none are a CC or MCC; none map to an HCC.
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Instructional notes
Includes: conditions that are coded here
- 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.
Official coding guidelines
From the ICD-10-CM Official Guidelines for Coding and Reporting, FY 2027 (CMS and NCHS). Links open the PDF at the right page.
- Section I.C.16.b Observation and Evaluation of Newborns for Suspected Conditions not Found (page 73), covers Z05
Use Z05 when a healthy newborn is evaluated for a suspected condition that is ruled out, but code signs or symptoms if present. On the birth record, Z05 follows the Z38 code; on later encounters it may be listed first.
Other Chapter 21 topics:
All codes under Z05
Z05 can't be used on a claim. Pick a billable code below; grey headings group them.
- Z05.0Observation and evaluation of newborn for suspected cardiac condition ruled out
- Z05.1Observation and evaluation of newborn for suspected infectious condition ruled out
- Z05.2Observation and evaluation of newborn for suspected neurological condition ruled out
- Z05.3Observation and evaluation of newborn for suspected respiratory condition ruled out
- Z05.4Observation and evaluation of newborn for suspected genetic, metabolic or immunologic condition ruled out
- Z05.41Observation and evaluation of newborn for suspected genetic condition ruled out
- Z05.42Observation and evaluation of newborn for suspected metabolic condition ruled out
- Z05.43Observation and evaluation of newborn for suspected immunologic condition ruled out
- Z05.5Observation and evaluation of newborn for suspected gastrointestinal condition ruled out
- Z05.6Observation and evaluation of newborn for suspected genitourinary condition ruled out
- Z05.7Observation and evaluation of newborn for suspected skin, subcutaneous, musculoskeletal and connective tissue condition ruled out
- Z05.71Observation and evaluation of newborn for suspected skin and subcutaneous tissue condition ruled out
- Z05.72Observation and evaluation of newborn for suspected musculoskeletal condition ruled out
- Z05.73Observation and evaluation of newborn for suspected connective tissue condition ruled out
- Z05.8Observation and evaluation of newborn for other specified suspected condition ruled out
- Z05.81Observation and evaluation of newborn for suspected condition related to home physiologic monitoring device ruled out
- Z05.89Observation and evaluation of newborn for other specified suspected condition ruled out
- Z05.9Observation and evaluation of newborn for unspecified suspected condition ruled out
Z05 MS-DRGs
As the principal diagnosis, all 15 billable codes under Z05 group to MS-DRG 795 or 951 (v44.0). Which one applies depends on procedures performed, secondary diagnoses (CC/MCC), and the patient's age and discharge status.
Other codes that refer to Z05
Notes on these codes point to Z05.
- P00 Excludes2: encounter for observation of newborn for suspected diseases and conditions ruled out (Z05.-)
- P01 Excludes2: encounter for observation of newborn for suspected diseases and conditions ruled out (Z05.-)
- P02 Excludes2: encounter for observation of newborn for suspected diseases and conditions ruled out (Z05.-)
- P03 Excludes2: encounter for observation of newborn for suspected diseases and conditions ruled out (Z05.-)
- P04 Excludes2: encounter for observation of newborn for suspected diseases and conditions ruled out (Z05.-)
- Z03 Excludes1: encounter for observation and evaluation of newborn for suspected diseases and conditions ruled out (Z05.-)
Code history
Added in FY2017 (effective October 1, 2016). No changes since.