DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

Z40 Encounter for prophylactic surgery

  • Header · not billable

Z40 is not billable. The category heads 9 billable codes in FY2027, grouped under 3 subdivisions.

Index → code

  • Opportunistic salpingectomy → Z40.82
  • Prophylacticsurgery → Z40.9
  • Prophylacticorgan removal (for neoplasia management) → Z40.00

Where it sits

  1. Chapter 21 Factors influencing health status and contact with health services (Z00-Z99)
  2. Z40-Z53 Encounters for other specific health care (Z40-Z53)
  3. Z40 Encounter for prophylactic surgery
Billable codes
9
Subdivisions
3
CC / MCC codes
0 / 0
HCC V28 codes
0
New FY2027
0
Index entries
19

Codes in Z40

  1. Z40.0
    Encounter for prophylactic surgery for risk factors related to malignant neoplasms
    Header
    Inclusion terms 1, Use additional code 1

    Inclusion terms

    • Admission for prophylactic organ removal

    Use additional code

    • code to identify risk factor, such as genetic susceptibility to malignant neoplasm Z15.- Z15
  2. Z40.00
    Encounter for prophylactic removal of unspecified organ
    Billable
  3. Z40.01
    Encounter for prophylactic removal of breast
    Billable
  4. Z40.02
    Encounter for prophylactic removal of ovary(s)
    Billable
  5. Z40.03
    Encounter for prophylactic removal of fallopian tube(s)
    BillableExempt
  6. Z40.09
    Encounter for prophylactic removal of other organ
    Billable
  7. Z40.8
    Encounter for other prophylactic surgery
    Header
  8. Z40.81
    Encounter for prophylactic surgery for removal of ovary(s) for persons without known genetic/familial risk factors
    BillableExempt
    Inclusion terms 1

    Inclusion terms

    • Encounter for prophylactic oophorectomy for persons without known genetic/ familial risk factors
  9. Z40.82
    Encounter for prophylactic surgery for removal of fallopian tube(s) for persons without known genetic/familial risk factors
    BillableExempt
    Inclusion terms 2

    Inclusion terms

    • Encounter for prophylactic salpingectomy for persons without known genetic/familial risk factors
    • Opportunistic salpingectomy
  10. Z40.89
    Encounter for other prophylactic surgery
    BillableExempt
  11. Z40.9
    Encounter for prophylactic surgery, unspecified
    Billable

Sources of each column.

Instructions

At Z40

Excludes1

  • organ donations (Z52.-) Z52
  • therapeutic organ removal-code to condition

Notes that also apply

Block Z40-Z53 instructions (Inclusion terms 1, Excludes2 1): printed on the block page.

Chapter 21 instructions (Notes 3): printed on the chapter 21 page.

Index entries

  • Opportunistic salpingectomy → Z40.82
  • Prophylacticorgan removal (for neoplasia management) → Z40.00
  • Prophylacticsurgery → Z40.9
  • Admission (for)prophylactic (measure)organ removal → Z40.00
  • Prophylacticorgan removal (for neoplasia management)breast → Z40.01
  • Prophylacticorgan removal (for neoplasia management)ovary(s) → Z40.02
  • Prophylacticorgan removal (for neoplasia management)fallopian tube(s) → Z40.03
  • Prophylacticorgan removal (for neoplasia management)specified site NEC → Z40.09
  • Admission (for)prophylactic (measure)oophorectomy for persons without known genetic/ familial risk factors → Z40.81
  • Admission (for)prophylactic (measure)salpingectomy for persons without known genetic/ familial risk factors → Z40.82
  • Prophylacticsurgeryspecified NEC → Z40.89
  • Admission (for)prophylactic (measure)organ removalbreast → Z40.01
  • Admission (for)prophylactic (measure)organ removalovary(s) → Z40.02
  • Prophylacticorgan removal (for neoplasia management)fallopian tube(s)with ovary(s) → Z40.02
  • Admission (for)prophylactic (measure)organ removalfallopian tube(s) → Z40.03
  • Admission (for)prophylactic (measure)organ removalspecified organ NEC → Z40.09
  • Admission (for)prophylactic (measure)organ removaltestes → Z40.09
  • Admission (for)prophylactic (measure)organ removalovary(s)for persons without known genetic/familial risk factors → Z40.81
  • Admission (for)prophylactic (measure)organ removalfallopian tube(s)for persons without known genetic/familial risk factors → Z40.82

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

Hierarchy