N23
Billable

Unspecified renal colic

Billable / Specific Code

What is Unspecified renal colic?

ICD-10-CM N23 is the diagnosis code for Unspecified renal colic. This code falls under the section "Urolithiasis" within Chapter 14 — Diseases of the genitourinary system (N00-N99). It is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.

Coding Guidelines for N23

Always refer to the official ICD-10-CM Tabular List for complete coding guidelines. Ensure documentation supports the specificity of the code selected. When in doubt, consult a certified medical coder or the latest CMS guidelines.

ICD-10-CM Code Hierarchy

Understanding where N23 sits in the ICD-10-CM classification helps ensure proper coding:

Current CodeN23 — Unspecified renal colic
Related Codes

Frequently Asked Questions

Is N23 a billable ICD-10-CM code?

Yes, N23 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

What does N23 mean?

N23 is the ICD-10-CM diagnosis code for "Unspecified renal colic". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What section is N23 in?

N23 is located in Section N20-N23 — "Urolithiasis" within Chapter 14 of the ICD-10-CM Tabular List.

When should I use N23?

Use N23 when the patients documented diagnosis matches "Unspecified renal colic" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.

People Also Ask

What is the ICD-10 code for Unspecified renal colic?

The ICD-10-CM code for Unspecified renal colic is N23.

Can N23 be used for primary diagnosis?

Yes, N23 can be used as a primary diagnosis code since it is billable and specific.

What chapter is N23 in?

N23 is in Chapter 14 of the ICD-10-CM Tabular List.

Is N23 valid for 2026?

Yes, N23 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousN22Calculus of urinary tract in diseases classified elsewhereNext →N25Disorders resulting from impaired renal tubular function
Code Details
N23
Unspecified renal colic
Billable / Specific Code
14 — Diseases of the genitourinary system (N00-N99)
N20-N23 — Urolithiasis
2026 ICD-10-CM