DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

Z84 Family history of other conditions

  • Header · not billable

Z84 is not billable. The category heads 9 billable codes in FY2027, grouped under 6 subdivisions.

Index → code

  • Consanguinity → Z84.3
  • DESthird generation → Z84.A
  • DESgrandchild (granddaughter) (grandson) → Z84.A

Where it sits

  1. Chapter 21 Factors influencing health status and contact with health services (Z00-Z99)
  2. Z77-Z99 Persons with potential health hazards related to family and personal history and certain conditions influencing health status (Z77-Z99)
  3. Z84 Family history of other conditions
Billable codes
9
Subdivisions
6
CC / MCC codes
0 / 0
HCC V28 codes
0
New FY2027
0
Index entries
18

Codes in Z84

  1. Z84.0
    Family history of diseases of the skin and subcutaneous tissue
    BillableExempt
    Inclusion terms 1

    Inclusion terms

    • Conditions classifiable to L00-L99 L00 L99
  2. Z84.1
    Family history of disorders of kidney and ureter
    Header
    Inclusion terms 1

    Inclusion terms

    • Conditions classifiable to N00-N29 N00 N29
  3. Z84.11
    Family history of APOL1-mediated kidney disease [AMKD]
    BillableExempt
  4. Z84.19
    Family history of other disorders of kidney and ureter
    BillableExempt
  5. Z84.2
    Family history of other diseases of the genitourinary system
    BillableExempt
    Inclusion terms 1

    Inclusion terms

    • Conditions classifiable to N30-N99 N30 N99
  6. Z84.3
    Family history of consanguinity
    BillableExempt
  7. Z84.8
    Family history of other specified conditions
    Header
  8. Z84.81
    Family history of carrier of genetic disease
    BillableExempt
  9. Z84.82
    Family history of sudden infant death syndrome
    BillableExempt
    Inclusion terms 1

    Inclusion terms

    • Family history of SIDS
  10. Z84.89
    Family history of other specified conditions
    BillableExempt
  11. Z84.A
    Family history of exposure to diethylstilbestrol
    BillableExempt
    Inclusion terms 3

    Inclusion terms

    • DES granddaughter or grandson
    • Family history of DES exposure
    • Third generation DES exposure

Sources of each column.

Instructions

Notes that also apply

Block Z77-Z99 instructions (Code also 1): printed on the block page.

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

Index entries

  • Consanguinity → Z84.3
  • DESgrandchild (granddaughter) (grandson) → Z84.A
  • DESthird generation → Z84.A
  • Historyfamily (of)skin condition → Z84.0
  • Historyfamily (of)consanguinity → Z84.3
  • Historyfamily (of)carrier of genetic disease → Z84.81
  • Historyfamily (of)genetic disease carrier → Z84.81
  • Historyfamily (of)SIDS (sudden infant death syndrome) → Z84.82
  • Historyfamily (of)allergy NEC → Z84.89
  • Historyfamily (of)specified condition NEC → Z84.89
  • Historyfamily (of)exposure to diethylstilbestrol (DES) → Z84.A
  • Historyfamily (of)disease or disorder (of)skin and subcutaneous tissue NEC → Z84.0
  • Historyfamily (of)disease or disorder (of)kidney → Z84.19
  • Historyfamily (of)disease or disorder (of)genitourinary NEC → Z84.2
  • Historyfamily (of)suddeninfant death syndrome (SIDS) → Z84.82
  • Historyfamily (of)disease or disorder (of)allergic NEC → Z84.89
  • Historyfamily (of)disease or disorder (of)specified NEC → Z84.89
  • Historyfamily (of)disease or disorder (of)kidneyAPOL1-mediated (AMKD) → Z84.11

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

Hierarchy