ICD-10-CM Z05: Encounter for observation and evaluation of newborn for suspected diseases and conditions ruled out

ICD-10-CM Diagnosis Code (2025)

Official Description for Z05

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

Coding Notes & Guidelines for Z05

Excludes1: Not Coded Here
  • encounter for observation for suspected conditions related to home physiologic monitoring device ruled out (Z03.83)
  • neonatal bradycardia (P29.12)
  • other newborn apnea (P28.4-)
  • primary sleep apnea of newborn (P28.3-)
Inclusion Terms

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.

Inclusion Terms
  • Encounter for observation of newborn for apnea alarm without findings
  • Encounter for observation of newborn for bradycardia alarm without findings
  • Encounter for observation of newborn for malfunction of home cardiorespiratory monitor
  • Encounter for observation of newborn for non-specific findings home physiologic monitoring device
  • Encounter for observation of newborn for pulse oximeter alarm without findings

Child Codes (More Specific Codes for Z05):

Z05.0 - Observation and evaluation of newborn for suspected cardiac condition ruled out Z05.1 - Observation and evaluation of newborn for suspected infectious condition ruled out Z05.2 - Observation and evaluation of newborn for suspected neurological condition ruled out Z05.3 - Observation and evaluation of newborn for suspected respiratory condition ruled out Z05.4 - Observation and evaluation of newborn for suspected genetic, metabolic or immunologic condition ruled out Z05.41 - Observation and evaluation of newborn for suspected genetic condition ruled out Z05.42 - Observation and evaluation of newborn for suspected metabolic condition ruled out Z05.43 - Observation and evaluation of newborn for suspected immunologic condition ruled out Z05.5 - Observation and evaluation of newborn for suspected gastrointestinal condition ruled out Z05.6 - Observation and evaluation of newborn for suspected genitourinary condition ruled out Z05.7 - Observation and evaluation of newborn for suspected skin, subcutaneous, musculoskeletal and connective tissue condition ruled out Z05.71 - Observation and evaluation of newborn for suspected skin and subcutaneous tissue condition ruled out Z05.72 - Observation and evaluation of newborn for suspected musculoskeletal condition ruled out Z05.73 - Observation and evaluation of newborn for suspected connective tissue condition ruled out Z05.8 - Observation and evaluation of newborn for other specified suspected condition ruled out Z05.81 - Observation and evaluation of newborn for suspected condition related to home physiologic monitoring device ruled out Z05.89 - Observation and evaluation of newborn for other specified suspected condition ruled out Z05.9 - Observation and evaluation of newborn for unspecified suspected condition ruled out

About ICD-10-CM Code Z05 (Encounter for observation and evaluation of newborn for suspected diseases and conditions ruled out)

ICD-10-CM code Z05 is a billable or specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. The 2025 edition of ICD-10-CM Z05 became effective on October 1, 2024.

This page provides detailed information about Z05 - Encounter for observation and evaluation of newborn for suspected diseases and conditions ruled out. It includes common terminology, coding guidelines such as "Includes," "Excludes1," and "Excludes2" notes, and information on required 7th characters. Utilizing this information correctly is essential for accurate medical coding and claims submission for conditions like Encounter for observation and evaluation of newborn for suspected diseases and conditions ruled out.