Is N11.8 a billable code?
Yes. N11.8 is a billable ICD-10-CM code and can be used on claims and superbills for dates of service from October 1, 2026 to September 30, 2027.
ICD-10-CM FY2027 diagnosis code
N11.8: Other chronic tubulo-interstitial nephritis
Billable codeValid for dates of service October 1, 2026 to September 30, 2027
N11.8 is a billable ICD-10-CM diagnosis code for other chronic tubulo-interstitial nephritis. It is specific enough to use on an insurance claim, a superbill or a Good Faith Estimate.
Superbill GeneratorStart a superbill with N11.8 already added.Good Faith EstimateStart a cost estimate with N11.8 already added.CMS-1500 Claim FormFill a claim form with N11.8 in box 21.
Other codes in N11 Chronic tubulo-interstitial nephritis
N11.8 questions
What does N11.8 mean?
N11.8 is the ICD-10-CM code for Other chronic tubulo-interstitial nephritis. It is in chapter 14, Diseases of the genitourinary system (N00-N99).
Code titles come from the official ICD-10-CM files published by the CDC National Center for Health Statistics. Always check payer rules and the clinical record before billing.