DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

N45 Orchitis and epididymitis

  • Header · not billable

N45 is not billable. The category heads 4 billable codes in FY2027: the 4 codes directly below it.

Index → code

Where it sits

  1. Chapter 14 Diseases of the genitourinary system (N00-N99)
  2. N40-N53 Diseases of male genital organs (N40-N53)
  3. N45 Orchitis and epididymitis
Billable codes
4
Subdivisions
4
CC / MCC codes
1 / 0
HCC V28 codes
0
New FY2027
0
Index entries
12

Codes in N45

  1. N45.1
    Epididymitis
    Billable
  2. N45.2
    Orchitis
    Billable
  3. N45.3
    Epididymo-orchitis
    Billable
  4. N45.4
    Abscess of epididymis or testis
    BillableCC

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

At N45

Use additional code

  • code (B95-B97), to identify infectious agent. B95 B97

Notes that also apply

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

Index entries

  • Didymytis → N45.1
  • Epididymitis (acute) (nonvenereal) (recurrent) (residual) → N45.1
  • Periepididymitis → N45.1
  • Orchitis (gangrenous) (nonspecific) (septic) (suppurative) → N45.2
  • Periorchitis → N45.2
  • Epididymo-orchitis → N45.3
  • Gangrene, gangrenous (connective tissue) (dropsical) (dry) (moist) (skin) (ulcer)epididymis (infectional) → N45.1
  • Gangrene, gangrenous (connective tissue) (dropsical) (dry) (moist) (skin) (ulcer)testis (infectional) → N45.2
  • Didymytiswith orchitis → N45.3
  • Epididymitis (acute) (nonvenereal) (recurrent) (residual)with orchitis → N45.3
  • Abscess (connective tissue) (embolic) (fistulous) (infective) (metastatic) (multiple) (pernicious) (pyogenic) (septic)epididymis → N45.4
  • Abscess (connective tissue) (embolic) (fistulous) (infective) (metastatic) (multiple) (pernicious) (pyogenic) (septic)testis → N45.4

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

Hierarchy