DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Z09 diagnosis code · Billable category · FY2027

Z09 Encounter for follow-up examination after completed treatment for conditions other than malignant neoplasm

  • Billable
  • Not CC/MCC
  • POA exempt

Z09 ICD-10 code: a billable diagnosis code in FY2027; the category has no subdivisions.

Where it sits

  1. Chapter 21 Factors influencing health status and contact with health services (Z00-Z99)
  2. Z00-Z13 Persons encountering health services for examinations (Z00-Z13)
  3. Z09 Encounter for follow-up examination after completed treatment for conditions other than malignant neoplasm
CC / MCC
Neither
MS-DRG
951
HCC V28
–
POA
Exempt
Code Editor
Unacceptable PDX
Index entries
13

Instructions

At Z09

Inclusion terms

  • Medical surveillance following completed treatment

Excludes1

  • aftercare following medical care (Z43-Z49, Z51) Z43 Z49 Z51
  • surveillance of contraception (Z30.4-) Z30.4
  • surveillance of prosthetic and other medical devices (Z44-Z46) Z44 Z46

Use additional code

  • code to identify any applicable history of disease code (Z86.-, Z87.-) Z86 Z87

Notes that also apply

Block Z00-Z13 instructions (Notes 1, Excludes2 1): printed on the block page.

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

Index entries

  • Admission (for)follow-up examination → Z09
  • Examination (for) (following) (general) (of) (routine)follow-up (routine) (following) → Z09
  • Examination (for) (following) (general) (of) (routine)followingtreatment (for) → Z09
  • Examination (for) (following) (general) (of) (routine)follow-up (routine) (following)chemotherapy NEC → Z09
  • Examination (for) (following) (general) (of) (routine)follow-up (routine) (following)fracture → Z09
  • Examination (for) (following) (general) (of) (routine)follow-up (routine) (following)psychotherapy → Z09
  • Examination (for) (following) (general) (of) (routine)follow-up (routine) (following)radiotherapy NEC → Z09
  • Examination (for) (following) (general) (of) (routine)follow-up (routine) (following)surgery NEC → Z09
  • Examination (for) (following) (general) (of) (routine)psychiatric NECfollow-up not needing further care → Z09
  • Examination (for) (following) (general) (of) (routine)followingtreatment (for)combined NEC → Z09
  • Examination (for) (following) (general) (of) (routine)followingtreatment (for)mental disorder → Z09
  • Examination (for) (following) (general) (of) (routine)followingtreatment (for)specified condition NEC → Z09
  • Examination (for) (following) (general) (of) (routine)followingtreatment (for)combined NECfracture → Z09

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

Medicare grouping and edits

CMS files for Z09
CC / MCCNeither
Appendix BMDC 23 Factors Influencing Health Status and Other Contacts with Health Services, MS-DRG 951 (Other Factors Influencing Health Status…)
Code EditorUnacceptable principal diagnosis
POAExempt
HCC V28–

CMS: MS-DRG v44 (Appendix B, C), MCE v44, POA list FY2027, 2027 Initial ICD-10-CM Mappings. What the rows mean.

Hierarchy