All ICD10 Codes

N10-N16

Non-Billable
ChapterN00–N99
Rankblock
Official Description

Renal tubulo-interstitial diseases (N10-N16)

Use a more specific code (3 billable, 4 non-billable)
N10Acute pyelonephritisN11Chronic tubulo-interstitial nephritishas subcodesN12Tubulo-interstitial nephritis, not specified as acute or chronicN13Obstructive and reflux uropathyhas subcodesN14Drug- and heavy-metal-induced tubulo-interstitial and tubular conditionshas subcodesN15Other renal tubulo-interstitial diseaseshas subcodesN16Renal tubulo-interstitial disorders in diseases classified elsewhere
Metadata & Insights
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 14: Diseases of the Genitourinary System (N00-N99).

CH14 Parent Instructions

Excludes2(Not included here. Code separately if applicable.)
  • certain conditions originating in the perinatal period (P04-P96)
  • certain infectious and parasitic diseases (A00-B99)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)
  • congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • injury, poisoning and certain other consequences of external causes (S00-T88)
  • neoplasms (C00-D49)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)

Instructional Notes

Includes
  • pyelonephritis
Excludes1(Not coded here. Use a different code.)
  • pyeloureteritis cystica (N28.85)

Clinical Hierarchy

BillableHas subcodes
CH14Diseases of the genitourinary system (N00-N99)
N10-N16Renal tubulo-interstitial diseases (N10-N16)Not billable
N10Acute pyelonephritisBillable
N11Chronic tubulo-interstitial nephritisSubcodes
N12Tubulo-interstitial nephritis, not specified as acute or chronicBillable
N13Obstructive and reflux uropathySubcodes
N14Drug- and heavy-metal-induced tubulo-interstitial and tubular conditionsSubcodes
N15Other renal tubulo-interstitial diseasesSubcodes
N16Renal tubulo-interstitial disorders in diseases classified elsewhereBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to N10-N16:

chapterCH14
Diseases of the genitourinary system (N00-N99)
View context instructions

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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