Valid for Submission
Z04.1 is a billable diagnosis code used to specify a medical diagnosis of encounter for examination and observation following transport accident. The code Z04.1 is valid during the fiscal year 2021 from October 01, 2020 through September 30, 2021 for the submission of HIPAA-covered transactions.
The ICD-10-CM code Z04.1 might also be used to specify conditions or terms like accident - pressure in aircraft or accident due to sudden change in air pressure in aircraft.
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 coding notes and guidance for inclusions, exclusions, descriptions and more. The following references are applicable to the code Z04.1:
Type 1 ExcludesType 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.
- encounter for examination and observation following work accident Z04.2
Index to Diseases and Injuries
The Index to Diseases and Injuries is an alphabetical listing of medical terms, with each term mapped to one or more ICD-10 code(s). The following references for the code Z04.1 are found in the index:
- - Examination (for) (following) (general) (of) (routine) - Z00.00
The following clinical terms are approximate synonyms or lay terms that might be used to identify the correct diagnosis code:
- Accident - pressure in aircraft
- Accident due to sudden change in air pressure in aircraft
Diagnostic Related Groups - MS-DRG Mapping
Convert Z04.1 to ICD-9 Code
The General Equivalency Mapping (GEM) crosswalk indicates an approximate mapping between the ICD-10 code Z04.1 its ICD-9 equivalent. The approximate mapping means there is not an exact match between the ICD-10 code and the ICD-9 code and the mapped code is not a precise representation of the original code.