Z03.83 Encounter for observation for suspected conditions related to home physiologic monitoring device ruled out
Billable ICD-10-CM code, FY2026. Exempt from present-on-admission (POA) reporting.
Applicable to
Encounter for observation for apnea alarm without findings
Encounter for observation for bradycardia alarm without findings
Encounter for observation for malfunction of home cardiorespiratory monitor
Encounter for observation for non-specific findings home physiologic monitoring device
Encounter for observation for pulse oximeter alarm without findings
Excludes1 (never code together)
apnea NOS (R06.81)
neonatal bradycardia (P29.12)
newborn apnea (P28.4-)
primary sleep apnea of newborn (P28.3-)
sleep apnea (G47.3-)
Applies from Z03 Encounter for medical observation for suspected diseases and conditions ruled out
Applicable to
This category is to be used when a person without a diagnosis is suspected of having an abnormal condition, without signs or symptoms, which requires study, but after examination and observation, is ruled out. This category is also for use for administrative and legal observation status.
Excludes1 (never code together)
contact with and (suspected) exposures hazardous to health (Z77.-)
encounter for observation and evaluation of newborn for suspected diseases and conditions ruled out (Z05.-)
person with feared complaint in whom no diagnosis is made (Z71.1)
signs or symptoms under study- code to signs or symptoms
MS-DRG index
Defines the logic of DRG(s) 951 in MDC 23.
Medicare Code Edits (MCE v43.1 (April 2026))
Unacceptable principal diagnosis: These codes describe a circumstance which influences care but is not a current illness or injury, or capture only an underlying condition, and are unacceptable as principal diagnosis.
Code annotations containing back-references to Z03.83
Back-references to Z03.83
Type 1 Excludes: Z05.81 Observation and evaluation of newborn for suspected condition related to home physiologic monitoring device ruled out ("encounter for observation for suspected conditions related to home physiologic monitoring device ruled out (Z03.83)")
Back-references to Z03.8
Type 1 Excludes: F63.2 Kleptomania ("shoplifting as the reason for observation for suspected mental disorder (Z03.8)")
Back-references to Z03
Type 1 Excludes: Z01 Encounter for other special examination without complaint, suspected or reported diagnosis ("encounter for examination for suspected conditions, proven not to exist (Z03.-)")
Type 1 Excludes: Z71.1 Person with feared health complaint in whom no diagnosis is made ("medical observation for suspected diseases and conditions proven not to exist (Z03.-)")
Diagnosis Index entries for Z03.83
Encounter (with health service) (for) › observation (for) (ruled out) › alarm, without findings › apnea
Encounter (with health service) (for) › observation (for) (ruled out) › alarm, without findings › bradycardia
Encounter (with health service) (for) › observation (for) (ruled out) › alarm, without findings › oximeter
Encounter (with health service) (for) › observation (for) (ruled out) › condition suspected related to home physiologic monitoring device
Encounter (with health service) (for) › observation (for) (ruled out) › malfunction of home cardiorespiratory monitor
Encounter (with health service) (for) › observation (for) (ruled out) › non-specific findings home physiologic monitoring device
Nearby codes
Z03.818 Encounter for observation for suspected exposure to other biological agents ruled out
Z03.82 Encounter for observation for suspected foreign body ruled out
Z03.821 Encounter for observation for suspected ingested foreign body ruled out
Z03.822 Encounter for observation for suspected aspirated (inhaled) foreign body ruled out
Z03.823 Encounter for observation for suspected inserted (injected) foreign body ruled out
Z03.83 Encounter for observation for suspected conditions related to home physiologic monitoring device ruled out (this code)
Z03.89 Encounter for observation for other suspected diseases and conditions ruled out