Infectious organism, unknown: Difference between revisions

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{{ICD10 transition status
{{ICD10 transition status
| OldDxArticle = Unknown Pathogen, No Culture Sent or Resulted, 65 - Negative Culture
| OldDxArticle = Unknown Pathogen; No Culture Sent or Resulted; Negative Culture
| CurrentStatus = reconciled
| CurrentStatus = reconciled
| InitialEditorAssigned = Allan Garland
| InitialEditorAssigned = Allan Garland
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{{ICD10 nonstandard code
{{ICD10 nonstandard code
| exception_type = Custom
| exception_type = Custom
| explanation = We needed to some track pathogens that do not have a specific ICD10 code.
| explanation = We needed to track some pathogens that do not have a specific ICD10 code.
}}  
}}  
 
*This is the "[[Pathogens|pathogen]] code" to use when there is a presumed infection and the organism is unknown.  This occurs for '''any''' of the following possible reasons:  
When a code in [[:category:potential infection]] is not an infection, code [[Not an Infection (ICD10 pathogen alternative)]] with it instead of this code to satisfy cross-checks.
 
*This is the "bug code" to use when there is a presumed infection and the organism is unknown.   
*This occurs for '''either''' of the following possible reasons:  
** '''No cultures were sent''' or resulted
** '''No cultures were sent''' or resulted
** Cultures were sent but they were negative ('''negative cultures''') or the lab reports "normal flora" or "mixed normal flora"
** Cultures were sent but they were negative ('''negative cultures''') or the lab reports "normal flora" or "mixed normal flora"
*When the bug was isolated and therefore is known, but it is not in our list of specific bugs, then use one or another of the following:   
** As the bug for any of the sepsis codes, in the presence of MORE THAN ONE specific infection (e.g. pneumonia ''and'' UTI) having DIFFERENT bugs. 
*When the [[Pathogens|pathogen]] was isolated and therefore is known, but it is not in our list of specific [[Pathogens|pathogen]]s, then use one or another of the following:   
** Bacteria, NOS
** Bacteria, NOS
** Virus, NOS
** Virus, NOS
** Fungus or yeast, NOS
** Fungus or yeast, NOS
When a code in [[:category:potential infection]] is not an infection, code [[Not an Infection (ICD10 pathogen alternative)]] with it instead of this code to satisfy cross-checks.


== Alternate ICD10s to consider coding instead or in addition ==
== Alternate ICD10s to consider coding instead or in addition ==
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== Related CCI Codes ==
== Related CCI Codes ==
{{Data Integrity Check List}}


== Related Articles ==
== Related Articles ==
{{Related Articles}}
{{Related Articles}}


{{ICD10 footer}}
{{ICD10 footer}}
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{{EndPlaceHolder}}

Latest revision as of 17:06, 2 January 2026

ICD10 Diagnosis
Dx: Infectious organism, unknown
ICD10 code: U22.9
Pre-ICD10 counterpart: none assigned
Charlson/ALERT Scale: none
APACHE Como Component: none
APACHE Acute Component: none
Start Date:
Stop Date:
Data Dependencies(Reports/Indicators/Data Elements): No results
External ICD10 Documentation

This diagnosis is a part of ICD10 collection.

  • SMW
    • 2019-01-01
    • 2999-12-31
    • U22.9
  • Cargo


  • Categories
  • SMW
  • Cargo


  • Categories
  • SMW
  • Cargo


  • Categories
  • SMW
  • Cargo


  • Categories

Additional Info

This is not a standard ICD10 code but a ICD10 Custom code. We added it for the following reason:
We needed to track some pathogens that do not have a specific ICD10 code.

See Non-standard ICD10 Diagnoses for other codes like this.

  • This is the "pathogen code" to use when there is a presumed infection and the organism is unknown. This occurs for any of the following possible reasons:
    • No cultures were sent or resulted
    • Cultures were sent but they were negative (negative cultures) or the lab reports "normal flora" or "mixed normal flora"
    • As the bug for any of the sepsis codes, in the presence of MORE THAN ONE specific infection (e.g. pneumonia and UTI) having DIFFERENT bugs.
  • When the pathogen was isolated and therefore is known, but it is not in our list of specific pathogens, then use one or another of the following:
    • Bacteria, NOS
    • Virus, NOS
    • Fungus or yeast, NOS

When a code in category:potential infection is not an infection, code Not an Infection (ICD10 pathogen alternative) with it instead of this code to satisfy cross-checks.

Alternate ICD10s to consider coding instead or in addition

Virus codes:
Non-specific pathogens codes:
Pathogens codes:

Data Integrity Checks (automatic list)

none found

Related articles:


Show all ICD10 Subcategories

ICD10 Categories: