N16 diagnosis code · Billable category · FY2027
N16 Renal tubulo-interstitial disorders in diseases classified elsewhere
- Billable
- Not CC/MCC
- POA reported
N16 ICD-10 code: a billable diagnosis code in FY2027; the category has no subdivisions.
Where it sits
- Chapter 14 Diseases of the genitourinary system (N00-N99)
- N10-N16 Renal tubulo-interstitial diseases (N10-N16)
- N16 Renal tubulo-interstitial disorders in diseases classified elsewhere
- CC / MCC
- Neither
- MS-DRG
- 698-700
- HCC V28
- –
- POA
- Reported
- Code Editor
- Manifestation
- Index entries
- 22
Instructions
At N16
Inclusion terms
- Pyelonephritis
- Tubulo-interstitial nephritis
Excludes1
- diphtheritic pyelonephritis and tubulo-interstitial nephritis (A36.84) A36.84
- pyelonephritis and tubulo-interstitial nephritis in candidiasis (B37.49) B37.49
- pyelonephritis and tubulo-interstitial nephritis in cystinosis (E72.04) E72.04
- pyelonephritis and tubulo-interstitial nephritis in salmonella infection (A02.25) A02.25
- pyelonephritis and tubulo-interstitial nephritis in sarcoidosis (D86.84) D86.84
- pyelonephritis and tubulo-interstitial nephritis in Sjogren syndrome (M35.04) M35.04
- pyelonephritis and tubulo-interstitial nephritis in systemic lupus erythematosus (M32.15) M32.15
- pyelonephritis and tubulo-interstitial nephritis in toxoplasmosis (B58.83) B58.83
- renal tubular degeneration in diabetes (E08-E13 with .29) E08 E13
- syphilitic pyelonephritis and tubulo-interstitial nephritis (A52.75) A52.75
Code first
- underlying disease, such as:
- brucellosis (A23.0-A23.9) A23.0 A23.9
- cryoglobulinemia (D89.1) D89.1
- glycogen storage disease (E74.0-) E74.0
- leukemia (C91-C95) C91 C95
- lymphoma (C81.0-C85.9, C96.0-C96.9) C81.0 C85.9 C96.0 C96.9
- multiple myeloma (C90.0-) C90.0
- sepsis (A40.0-A41.9) A40.0 A41.9
- Wilson's disease (E83.01) E83.01
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
- Disorder (of)›tubulo-interstitial (in)›brucellosis → A23.9 [N16]
- Pyelonephritis›in (due to)›brucellosis → A23.9 [N16]
- Disorder (of)›tubulo-interstitial (in)›sepsis → A41.9 [N16]
- Pyelonephritis›in (due to)›sepsis → A41.9 [N16]
- Disorder (of)›tubulo-interstitial (in)›lymphoma NEC → C85.9- [N16]
- Pyelonephritis›in (due to)›lymphoma NEC → C85.90 [N16]
- Disorder (of)›tubulo-interstitial (in)›multiple myeloma → C90.0- [N16]
- Pyelonephritis›in (due to)›multiple myeloma → C90.0- [N16]
- Disorder (of)›tubulo-interstitial (in)›leukemia NEC → C95.9- [N16]
- Pyelonephritis›in (due to)›leukemia NEC → C95.9- [N16]
- Disorder (of)›tubulo-interstitial (in)›mixed cryoglobulinemia → D89.1 [N16]
- Pyelonephritis›in (due to)›cryoglobulinemia (mixed) → D89.1 [N16]
- Disorder (of)›tubulo-interstitial (in)›glycogen storage disease → E74.00 [N16]
- Pyelonephritis›in (due to)›glycogen storage disease → E74.09 [N16]
- Disorder (of)›tubulo-interstitial (in)›Wilson's disease → E83.01 [N16]
- Pyelonephritis›in (due to)›Wilson's disease → E83.01 [N16]
- Disorder (of)›tubulo-interstitial (in)›transplant rejection → T86.91 [N16]
- Pyelonephritis›in (due to)›transplant rejection → T86.91 [N16]
- Nephritis, nephritic (albuminuric) (azotemic) (congenital) (disseminated) (epithelial) (familial) (focal) (granulomatous) (hemorrhagic) (infantile) (nonsuppurative, excretory) (uremic)›tubulo-interstitial (in)›due to›brucellosis → A23.9 [N16]
- Disorder (of)›tubulo-interstitial (in)›sepsis›streptococcal → A40.9 [N16]
- Nephritis, nephritic (albuminuric) (azotemic) (congenital) (disseminated) (epithelial) (familial) (focal) (granulomatous) (hemorrhagic) (infantile) (nonsuppurative, excretory) (uremic)›tubulo-interstitial (in)›due to›cryoglobulinemia → D89.1 [N16]
- Nephritis, nephritic (albuminuric) (azotemic) (congenital) (disseminated) (epithelial) (familial) (focal) (granulomatous) (hemorrhagic) (infantile) (nonsuppurative, excretory) (uremic)›tubulo-interstitial (in)›due to›glycogen storage disease → E74.00 [N16]
NCHS Alphabetic Index. Index first, then the Tabular List.
Medicare grouping and edits
| CC / MCC | Neither |
|---|---|
| Appendix B | MDC 11 Diseases and Disorders of the Kidney and Urinary Tract, MS-DRG 698-700 (Other Kidney and Urinary Tract Diagnoses with MCC…) |
| Code Editor | Manifestation code: not allowed as principal diagnosis |
| POA | Reported |
| HCC V28 | – |
CMS: MS-DRG v44 (Appendix B, C), MCE v44, POA list FY2027, 2027 Initial ICD-10-CM Mappings. What the rows mean.