Encounter for medical observation for suspected diseases and conditions ruled out (Z03)

Browse all the diagnosis codes used for encounter for medical observation for suspected diseases and conditions ruled out (z03). For easy navigation, the diagnosis codes are sorted in alphabetical order and grouped by sections. Each section is clearly marked with its description, and the corresponding three-digit code range. This format makes it simple to browse diagnosis codes in this chapter or section and find what you're looking for. We've also added green checkmark icons to label billable codes, and red warning icons for non-billable ones. This makes it easy to identify which codes can be billed.

Instructional Notations

Inclusion Terms

These terms are the conditions for which that code is to be used. The terms may be synonyms of the code title, or, in the case of "other specified" codes, the terms are a list of the various conditions assigned to that code. The inclusion terms are not necessarily exhaustive. Additional terms found only in the Alphabetic Index may also be assigned to a code.

  • 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.

Type 1 Excludes

A type 1 excludes note is a pure excludes note. It means "NOT CODED HERE!" An Excludes1 note indicates that the code excluded should never be used at the same time as the code above the Excludes1 note. An Excludes1 is used when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.

  • 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
  • Factors influencing health status and contact with health services (Z00–Z99)

    • Persons encountering health services for examinations (Z00-Z13)

        • Encounter for medical observation for suspected diseases and conditions ruled out (Z03)

        • Z03 Encounter for medical observation for suspected diseases and conditions ruled out
        • Z03.6 Encounter for observation for suspected toxic effect from ingested substance ruled out
        • Z03.7 Encounter for suspected maternal and fetal conditions ruled out
        • Z03.71 Encounter for suspected problem with amniotic cavity and membrane ruled out
        • Z03.72 Encounter for suspected placental problem ruled out
        • Z03.73 Encounter for suspected fetal anomaly ruled out
        • Z03.74 Encounter for suspected problem with fetal growth ruled out
        • Z03.75 Encounter for suspected cervical shortening ruled out
        • Z03.79 Encounter for other suspected maternal and fetal conditions ruled out
        • Z03.8 Encounter for observation for other suspected diseases and conditions ruled out
        • Z03.81 Encounter for observation for suspected exposure to biological agents ruled out
        • Z03.810 Encounter for observation for suspected exposure to anthrax ruled out
        • 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
        • Z03.89 Encounter for observation for other suspected diseases and conditions ruled out