- N13.1 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 N13.1 became effective on October 1, 2022.
- This is the American ICD-10-CM version of N13.1 – other international versions of ICD-10 N13.1 may differ.
ICD-10-CM N13.1 is grouped within Diagnostic Related Group(s):
- 693 Urinary stones with mcc
- 694 Urinary stones without mcc
- 791 Prematurity with major problems
- 793 Full term neonate with major problems
Type 1 Excludes
- Hydronephrosis with ureteral stricture with infection (N13.6)
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 N13.1:
- ureteral NEC > obstruction (by) (of) N13.2
- ureteral stricture NEC > with N13.6
- with > ureter (pelvic junction) N13.5
- hydronephrosis > with N13.1
- with > ureter NEC (functional) (pelvic junction) N13.5
- hydronephrosis > with N13.1
- with > ureter (postoperative) N13.5
- hydronephrosis > with N13.1