- I99.9 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 I99.9 became effective on October 1, 2022.
- This is the American ICD-10-CM version of I99.9 – other international versions of ICD-10 I99.9 may differ.
ICD-10-CM I99.9 is grouped within Diagnostic Related Group(s):
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 I99.9:
- circulatory > Change (s) (in) (of)
- vascular > Change (s) (in) (of)
- defective (lower extremity) > Circulation
- vascular > Complication (s) (from) (of)
- vascular > Damage
- circulation > Defect, defective Q89.9
- vascular (local) > Defect, defective Q89.9
- vascular > Deficiency, deficient
- vessel > blood D75.9
- vascular > Disease, diseased
- circulatory > Disturbance (s)
- vascular > Disturbance (s)
- vascular > Lesion (s) (nontraumatic)