2024 ICD-10-CM Diagnosis Code Y99.8
Other external cause status
- ICD-10-CM Code:
- Y99.8
- ICD-10 Code for:
- Other external cause status
- Is Billable?
- Yes - Valid for Submission
- Code Navigator:
Y99.8 is a billable diagnosis code used to specify a medical diagnosis of other external cause status. The code is valid during the current fiscal year for the submission of HIPAA-covered transactions from October 01, 2023 through September 30, 2024. The code is exempt from present on admission (POA) reporting for inpatient admissions to general acute care hospitals.
Approximate Synonyms
The following clinical terms are approximate synonyms or lay terms that might be used to identify the correct diagnosis code:
- Accidental drowning and submersion while engaged in sport or recreational activity without diving equipment
- Accidental drowning and submersion while hunting, except from boat or with diving equipment
- Accidental drowning or immersion during recreation
- Accidental drowning or immersion while fishing from shore, bank or fixed structure
- Recreation submersion accident
Clinical Classification
Clinical Category is External cause codes: activity codes
- CCSR Category Code: EXT026
- Inpatient Default CCSR: X - Not applicable.
- Outpatient Default CCSR: X - Not applicable.
Tabular List of Diseases and Injuries
The following annotation back-references are applicable to this diagnosis code. The Tabular List of Diseases and Injuries is a list of ICD-10-CM codes, organized "head to toe" into chapters and sections with coding notes and guidance for inclusions, exclusions, descriptions and more.
Inclusion Terms
Inclusion TermsThese 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.
- Activity NEC
- Activity of child or other family member assisting in compensated work of other family member
- Hobby not done for income
- Leisure activity
- Off-duty activity of military personnel
- Recreation or sport not for income or while a student
- Student activity
Type 1 Excludes
Type 1 ExcludesA 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.
Index of External Cause of Injuries
References found for this diagnosis code in the External Cause of Injuries Index:
- External cause status
- child assisting in compensated work for family
- External cause status
- family member assisting in compensated work for other family member
- External cause status
- hobby not done for income
- External cause status
- leisure activity
- External cause status
- off-duty activity of military personnel
- External cause status
- recreation or sport not for income or while a student
- External cause status
- specified NEC
- External cause status
- student activity
- Status of external cause
- child assisting in compensated work for family
- Status of external cause
- family member assisting in compensated work for other family member
- Status of external cause
- hobby not done for income
- Status of external cause
- leisure activity
- Status of external cause
- off-duty activity of military personnel
- Status of external cause
- recreation or sport not for income or while a student
- Status of external cause
- specified NEC
- Status of external cause
- student activity
Present on Admission (POA)
Y99.8 is exempt from POA reporting - The Present on Admission (POA) indicator is used for diagnosis codes included in claims involving inpatient admissions to general acute care hospitals. POA indicators must be reported to CMS on each claim to facilitate the grouping of diagnoses codes into the proper Diagnostic Related Groups (DRG). CMS publishes a listing of specific diagnosis codes that are exempt from the POA reporting requirement. Review other POA exempt codes here.
CMS POA Indicator Options and Definitions
| POA Indicator | Reason for Code | CMS will pay the CC/MCC DRG? |
|---|---|---|
| Y | Diagnosis was present at time of inpatient admission. | YES |
| N | Diagnosis was not present at time of inpatient admission. | NO |
| U | Documentation insufficient to determine if the condition was present at the time of inpatient admission. | NO |
| W | Clinically undetermined - unable to clinically determine whether the condition was present at the time of inpatient admission. | YES |
| 1 | Unreported/Not used - Exempt from POA reporting. | NO |
Convert Y99.8 to ICD-9-CM
- ICD-9-CM Code: E000.8 - Externl cause status NEC
Code History
- FY 2024 - No Change, effective from 10/1/2023 through 9/30/2024
- FY 2023 - No Change, effective from 10/1/2022 through 9/30/2023
- FY 2022 - No Change, effective from 10/1/2021 through 9/30/2022
- FY 2021 - No Change, effective from 10/1/2020 through 9/30/2021
- FY 2020 - No Change, effective from 10/1/2019 through 9/30/2020
- FY 2019 - No Change, effective from 10/1/2018 through 9/30/2019
- FY 2018 - No Change, effective from 10/1/2017 through 9/30/2018
- FY 2017 - No Change, effective from 10/1/2016 through 9/30/2017
- FY 2016 - New Code, effective from 10/1/2015 through 9/30/2016. This was the first year ICD-10-CM was implemented into the HIPAA code set.