ICD-10-CM Code Z03

Encounter for medical observation for suspected diseases and conditions ruled out

Version 2020 Non-Billable Code

Not Valid for Submission

Z03 is a "header" nonspecific and non-billable code code, consider using a code with a higher level of specificity for a diagnosis of encounter for medical observation for suspected diseases and conditions ruled out. The code is NOT valid for the year 2020 for the submission of HIPAA-covered transactions.

ICD-10:Z03
Short Description:Encntr for medical obs for susp diseases and cond ruled out
Long Description:Encounter for medical observation for suspected diseases and conditions ruled out

Consider the following ICD-10 codes with a higher level of specificity:

  • 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
  • Z03.89 - Encounter for observation for other suspected diseases and conditions ruled out

Tabular List of Diseases and Injuries

The Tabular List of Diseases and Injuries is a list of ICD-10 codes, organized "head to toe" into chapters and sections with guidance for inclusions, exclusions, descriptions and more. The following references are applicable to the code Z03:

Inclusion Terms

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

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

Code Classification

  • Factors influencing health status and contact with health services (Z00–Z99)
    • Persons encountering health services for examinations (Z00-Z13)
      • Encntr for medical obs for susp diseases and cond ruled out (Z03)

Code History

  • FY 2016 - New Code, effective from 10/1/2015 through 9/30/2016
    (First year ICD-10-CM implemented into the HIPAA code set)
  • FY 2017 - No Change, effective from 10/1/2016 through 9/30/2017
  • FY 2018 - No Change, effective from 10/1/2017 through 9/30/2018
  • FY 2019 - No Change, effective from 10/1/2018 through 9/30/2019
  • FY 2020 - No Change, effective from 10/1/2019 through 9/30/2020