2024 ICD-10-CM Diagnosis Code Y33.XXXD

Other specified events, undetermined intent, subsequent encounter

ICD-10-CM Code:
Y33.XXXD
ICD-10 Code for:
Other specified events, undetermined intent, subs encntr
Is Billable?
Yes - Valid for Submission
Code Navigator:

Code Classification

  • External causes of morbidity and mortality
    (V01–Y99)
    • Event of undetermined intent
      (Y21-Y33)
      • Other specified events, undetermined intent
        (Y33)

Y33.XXXD is a billable diagnosis code used to specify a medical diagnosis of other specified events, undetermined intent, subsequent encounter. The code is valid during the current fiscal year for the submission of HIPAA-covered transactions from October 01, 2023 through September 30, 2024.

Y33.XXXD is a subsequent encounter code, includes a 7th character and should be used after the patient has completed active treatment for a condition like other specified events undetermined intent. According to ICD-10-CM Guidelines a "subsequent encounter" occurs when the patient is receiving routine care for the condition during the healing or recovery phase of treatment. Subsequent diagnosis codes are appropriate during the recovery phase, no matter how many times the patient has seen the provider for this condition. If the provider needs to adjust the patient's care plan due to a setback or other complication, the encounter becomes active again.

Approximate Synonyms

The following clinical terms are approximate synonyms or lay terms that might be used to identify the correct diagnosis code:

  • Event of undetermined intent
  • Event of undetermined intent
  • Event of undetermined intent
  • Event of undetermined intent
  • Exposure to potentially harmful entity, undetermined intent
  • Hanging of unknown intent
  • Hanging, strangulation or suffocation of unknown intent
  • Hanging, strangulation or suffocation of unknown intent

Clinical Classification

Convert Y33.XXXD to ICD-9-CM

  • ICD-9-CM Code: E988.8 - Undetermin circumst NEC
    Approximate Flag - The approximate mapping means there is not an exact match between the ICD-10 and ICD-9 codes and the mapped code is not a precise representation of the original code.

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.