- E66.2 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
- The 2024 edition of ICD-10-CM E66.2 became effective on October 1, 2022.
- This is the American ICD-10-CM version of E66.2 – other international versions of ICD-10 E66.2 may differ.
ICD-10-CM E66.2 is grouped within Diagnostic Related Group(s):
Applicable To
- Obesity hypoventilation syndrome (OHS)
- Pickwickian syndrome
Code History
- 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
- 2016 (effective 10/1/2015): No change
- 2017 (effective 10/1/2016): No change
- 2018 (effective 10/1/2017): No change
- 2019 (effective 10/1/2018): No change
- 2020 (effective 10/1/2019): No change
- 2021 (effective 10/1/2020): No change
- 2022 (effective 10/1/2021): No change
- 2024 (effective 10/1/2022): No change
Diagnosis Index entries containing back-references to E66.2:
- with alveolar hypoventilation > Obesity E66.9
- hypoventilation syndrome (OHS) > Obesity E66.9
- with > morbid E66.01
- alveolar hypoventilation > with E66.2
- obesity hypoventilation syndrome (OHS) > with E66.2
- alveolar hypoventilation > Syndrome
- cardiopulmonary-obesity > Syndrome
- hypoventilation, obesity (OHS) > Syndrome
- obesity hypoventilation (OHS) > Syndrome
- Pickwickian > Syndrome