N20-N23 ICD-10-CA block: Urolithiasis
N20-N23 isn’t a code on its own. Choose one of the 11 codes beneath it, the one the documentation supports.
Official description
N20-N23Urolithiasis (N20-N23)
ICD-10-CA · Canada
Codes in N20-N23
N20-N23 isn’t a code on its own. Open the group that matches what the note documents.
Notes for N20-N23
As CIHI prints them, with any note N20-N23 takes from the headings above it.
Excludes
Conditions classified elsewhere.
- Certain conditions originating in the perinatal period (P00-P96)certain infectious and parasitic diseases (A00-B99)complications of pregnancy, childbirth and the puerperium (O00-O99)congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)endocrine, nutritional and metabolic diseases (E00-E90)injury, poisoning and certain other consequences of external causes (S00-T98)neoplasms (C00-D48)symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)From Chapter 14: Diseases of the genitourinary system (N00-N99)
Where N20-N23 sits
- 1ChapterChapter 14: Diseases of the genitourinary system (N00-N99)
- 2Block N20-N23Urolithiasis
Source and release
- Data release
- ICD-10-CA · FY 2026–2027
- Effective date
- Apr 1, 2026
- Publisher
- CIHI
This page is built from the ICD-10-CA catalog that Vero Codes reads when it suggests codes: Canadian Institute for Health Information’s FY 2026–2027 release, imported from the publisher’s file and checked against it. The description, notes and structured data come from the same record.
Frequently asked questions
Is N20-N23 a valid ICD-10-CA code?
No. N20-N23 (Urolithiasis) is a block heading in CIHI’s ICD-10-CA FY 2026–2027 release. It holds 11 codes; record the one the documentation supports.
Where is N20-N23 in ICD-10-CA?
N20-N23 sits under Chapter 14: Diseases of the genitourinary system (N00-N99).
What coding notes apply to N20-N23?
ICD-10-CA lists Excludes notes for N20-N23, including those from the headings it sits under. They are listed on this page with where each one comes from.
Which ICD-10-CA release does this page use?
It uses CIHI’s FY 2026–2027 release, in effect from Apr 1, 2026 to Mar 31, 2027. It is a reference: confirm the code against the current list and the payer’s rules before you submit it.
Codes beside N20-N23
N00-N08Glomerular diseasesN10-N16Renal tubulo-interstitial diseasesN17-N19Renal failureN25-N29Other disorders of kidney and ureterN30-N39Other diseases of urinary systemN40-N51Diseases of male genital organsN60-N64Disorders of breastN70-N77Inflammatory diseases of female pelvic organsN80-N98Noninflammatory disorders of female genital tractN99-N99Other disorders of the genitourinary system (N99)