N12
BillableTubulo-interstitial nephritis, not specified as acute or chronic
N12 is the ICD-10-CM code for Tubulo-interstitial nephritis, not specified as acute or chronic. It is a billable, specific code valid for reimbursement.
- Status
- Billable
- Chapter
- N00-N99
- Edition
- FY2026
N00-N99 Diseases of the genitourinary system
Includes
- •Interstitial nephritis NOS
- •Pyelitis NOS
- •Pyelonephritis NOS
Excludes1 — not coded here
- •calculous pyelonephritis (N20.9)
Frequently asked questions
- What is ICD-10 code N12?
- N12 is the ICD-10-CM code for "Tubulo-interstitial nephritis, not specified as acute or chronic". It falls under N00-N99 Diseases of the genitourinary system.
- Is N12 a billable code?
- Yes — N12 is a billable, specific ICD-10-CM code valid for reimbursement.
- What is excluded from N12?
- Excludes1 (not coded here): calculous pyelonephritis (N20.9).
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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