DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

N15 Other renal tubulo-interstitial diseases

  • Header · not billable

N15 is not billable. The category heads 4 billable codes in FY2027: the 4 codes directly below it.

Index → code

  • Granulomakidney → N15.8
  • NephropathyBalkan (endemic) → N15.0
  • Disease, diseasedtubulo-interstitial → N15.9

Where it sits

  1. Chapter 14 Diseases of the genitourinary system (N00-N99)
  2. N10-N16 Renal tubulo-interstitial diseases (N10-N16)
  3. N15 Other renal tubulo-interstitial diseases
Billable codes
4
Subdivisions
4
CC / MCC codes
0 / 1
HCC V28 codes
0
New FY2027
0
Index entries
9

Codes in N15

  1. N15.0
    Balkan nephropathy
    Billable
    Inclusion terms 1

    Inclusion terms

    • Balkan endemic nephropathy
  2. N15.1
    Renal and perinephric abscess
    BillableMCC
  3. N15.8
    Other specified renal tubulo-interstitial diseases
    Billable
  4. N15.9
    Renal tubulo-interstitial disease, unspecified
    Billable
    Inclusion terms 1, Excludes1 1

    Inclusion terms

    • Infection of kidney NOS

    Excludes1

    • urinary tract infection NOS (N39.0) N39.0

CC/MCC: as a secondary diagnosis, unless the principal diagnosis is on the code’s PDX exclusion list (MS-DRG v44 Appendix C; list on the code card).

Sources of each column.

Instructions

Notes that also apply

Block N10-N16 instructions (Includes 1, Excludes1 1): printed on the block page.

Chapter 14 instructions (Excludes2 8): printed on the chapter 14 page.

Index entries

  • Nephritis, nephritic (albuminuric) (azotemic) (congenital) (disseminated) (epithelial) (familial) (focal) (granulomatous) (hemorrhagic) (infantile) (nonsuppurative, excretory) (uremic)Balkan (endemic) → N15.0
  • NephropathyBalkan (endemic) → N15.0
  • Abscess (connective tissue) (embolic) (fistulous) (infective) (metastatic) (multiple) (pernicious) (pyogenic) (septic)kidney → N15.1
  • Abscess (connective tissue) (embolic) (fistulous) (infective) (metastatic) (multiple) (pernicious) (pyogenic) (septic)paranephric → N15.1
  • Granulomakidney → N15.8
  • Disease, diseasedtubulo-interstitial → N15.9
  • Infection, infected, infective (opportunistic)kidney (cortex) (hematogenous) → N15.9
  • Disease, diseasedtubulo-interstitialspecified NEC → N15.8
  • Infection, infected, infective (opportunistic)kidney (cortex) (hematogenous)specified NEC → N15.8

NCHS Alphabetic Index. Index first, then the Tabular List.

Hierarchy