Chronic tubulo-interstitial nephritis (N11)

• ICD-10 Index

  • Diseases of the genitourinary system (N00–N99)

    • Renal tubulo-interstitial diseases (N10-N16)

      • Chronic tubulo-interstitial nephritis (N11)

        • N11 - Chronic tubulo-interstitial nephritis NON-BILLABLE CODE
        • N11.0 - Nonobstructive reflux-associated chronic pyelonephritis BILLABLE CODE
        • N11.1 - Chronic obstructive pyelonephritis BILLABLE CODE
        • N11.8 - Other chronic tubulo-interstitial nephritis BILLABLE CODE
        • N11.9 - Chronic tubulo-interstitial nephritis, unspecified BILLABLE CODE

Clinical Information for Chronic tubulo-interstitial nephritis (N11)

Pyelitis - Inflammation of the KIDNEY PELVIS and KIDNEY CALICES where urine is collected before discharge, but does not involve the renal parenchyma (the NEPHRONS) where urine is processed.

Pyelitis - Inflammation of the KIDNEY PELVIS and KIDNEY CALICES where urine is collected before discharge, but does not involve the renal parenchyma (the NEPHRONS) where urine is processed.

Instructional Notations

Includes Includes
This note appears immediately under a three character code title to further define, or give examples of, the content of the category.

• chronic infectious interstitial nephritis
• chronic pyelitis
• chronic pyelonephritis

Use Additional Code Use Additional Code
The “use additional code” indicates that a secondary code could be used to further specify the patient’s condition. This note is not mandatory and is only used if enough information is available to assign an additional code.

• code B95 B97