DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

Z01 Encounter for other special examination without complaint, suspected or reported diagnosis

  • Header · not billable

Z01 is not billable. The category heads 23 billable codes in FY2027, grouped under 6 subdivisions.

Index → code

  • Hearing examination → Z01.10
  • Gynecological examination (periodic) (routine) → Z01.419
  • Dentalexamination → Z01.20

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. Z01 Encounter for other special examination without complaint, suspected or reported diagnosis
Billable codes
23
Subdivisions
6
CC / MCC codes
0 / 0
HCC V28 codes
0
New FY2027
0
Index entries
100

Codes in Z01

  1. Z01.0
    Encounter for examination of eyes and vision
    Header
    Excludes1 1

    Excludes1

    • examination for driving license (Z02.4) Z02.4
  2. Z01.00
    Encounter for examination of eyes and vision without abnormal findings
    BillableExempt
    Inclusion terms 1

    Inclusion terms

    • Encounter for examination of eyes and vision NOS
  3. Z01.01
    Encounter for examination of eyes and vision with abnormal findings
    BillableExempt
    Use additional code 1

    Use additional code

    • code to identify abnormal findings
  4. Z01.02
    Encounter for examination of eyes and vision following failed vision screening
    Header
    Excludes1 2

    Excludes1

    • encounter for examination of eyes and vision with abnormal findings (Z01.01) Z01.01
    • encounter for examination of eyes and vision without abnormal findings (Z01.00) Z01.00
  5. Z01.020
    Encounter for examination of eyes and vision following failed vision screening without abnormal findings
    BillableExempt
  6. Z01.021
    Encounter for examination of eyes and vision following failed vision screening with abnormal findings
    BillableExempt
    Use additional code 1

    Use additional code

    • code to identify abnormal findings
  7. Z01.1
    Encounter for examination of ears and hearing
    Header
  8. Z01.10
    Encounter for examination of ears and hearing without abnormal findings
    BillableExempt
    Inclusion terms 1

    Inclusion terms

    • Encounter for examination of ears and hearing NOS
  9. Z01.11
    Encounter for examination of ears and hearing with abnormal findings
    Header
  10. Z01.110
    Encounter for hearing examination following failed hearing screening
    BillableExempt
  11. Z01.118
    Encounter for examination of ears and hearing with other abnormal findings
    BillableExempt
    Use additional code 1

    Use additional code

    • code to identify abnormal findings
  12. Z01.12
    Encounter for hearing conservation and treatment
    BillableExempt
  13. Z01.2
    Encounter for dental examination and cleaning
    Header
  14. Z01.20
    Encounter for dental examination and cleaning without abnormal findings
    BillableExempt
    Inclusion terms 1

    Inclusion terms

    • Encounter for dental examination and cleaning NOS
  15. Z01.21
    Encounter for dental examination and cleaning with abnormal findings
    BillableExempt
    Use additional code 1

    Use additional code

    • code to identify abnormal findings
  16. Z01.3
    Encounter for examination of blood pressure
    Header
  17. Z01.30
    Encounter for examination of blood pressure without abnormal findings
    BillableExempt
    Inclusion terms 1

    Inclusion terms

    • Encounter for examination of blood pressure NOS
  18. Z01.31
    Encounter for examination of blood pressure with abnormal findings
    BillableExempt
    Use additional code 1

    Use additional code

    • code to identify abnormal findings
  19. Z01.4
    Encounter for gynecological examination
    Header
    Excludes2 2

    Excludes2

    • pregnancy examination or test (Z32.0-) Z32.0
    • routine examination for contraceptive maintenance (Z30.4-) Z30.4
  20. Z01.41
    Encounter for routine gynecological examination
    Header
    Inclusion terms 3, Excludes1 2, Use additional code 4

    Inclusion terms

    • Encounter for general gynecological examination with or without cervical smear
    • Encounter for gynecological examination (general) (routine) NOS
    • Encounter for pelvic examination (annual) (periodic)

    Excludes1

    • gynecologic examination status-post hysterectomy for malignant condition (Z08) Z08
    • screening cervical pap smear not a part of a routine gynecological examination (Z12.4) Z12.4

    Use additional code

    • code:
    • for screening for human papillomavirus, if applicable, (Z11.51) Z11.51
    • for screening vaginal pap smear, if applicable (Z12.72) Z12.72
    • to identify acquired absence of uterus, if applicable (Z90.71-) Z90.71
  21. Z01.411
    Encounter for gynecological examination (general) (routine) with abnormal findings
    BillableExempt
    Use additional code 1

    Use additional code

    • code to identify abnormal findings
  22. Z01.419
    Encounter for gynecological examination (general) (routine) without abnormal findings
    BillableExempt
  23. Z01.42
    Encounter for cervical smear to confirm findings of recent normal smear following initial abnormal smear
    BillableExempt
  24. Z01.8
    Encounter for other specified special examinations
    Header
  25. Z01.81
    Encounter for preprocedural examinations
    Header
    Inclusion terms 2

    Inclusion terms

    • Encounter for preoperative examinations
    • Encounter for radiological and imaging examinations as part of preprocedural examination
  26. Z01.810
    Encounter for preprocedural cardiovascular examination
    BillableExempt
  27. Z01.811
    Encounter for preprocedural respiratory examination
    BillableExempt
  28. Z01.812
    Encounter for preprocedural laboratory examination
    BillableExempt
    Inclusion terms 1

    Inclusion terms

    • Blood and urine tests prior to treatment or procedure
  29. Z01.818
    Encounter for other preprocedural examination
    BillableExempt
    Inclusion terms 2

    Inclusion terms

    • Encounter for preprocedural examination NOS
    • Encounter for examinations prior to antineoplastic chemotherapy
  30. Z01.82
    Encounter for allergy testing
    BillableExempt
    Excludes1 1

    Excludes1

    • encounter for antibody response examination (Z01.84) Z01.84
  31. Z01.83
    Encounter for blood typing
    BillableExempt
    Inclusion terms 1

    Inclusion terms

    • Encounter for Rh typing
  32. Z01.84
    Encounter for antibody response examination
    BillableExempt
    Inclusion terms 1, Excludes1 1

    Inclusion terms

    • Encounter for immunity status testing

    Excludes1

    • encounter for allergy testing (Z01.82) Z01.82
  33. Z01.89
    Encounter for other specified special examinations
    BillableExempt

Sources of each column.

Instructions

At Z01

Notes

  • Codes from category Z01 represent the reason for the encounter. A separate procedure code is required to identify any examinations or procedures performed Z01

Includes

  • routine examination of specific system

Excludes1

  • encounter for examination for administrative purposes (Z02.-) Z02
  • encounter for examination for suspected conditions, proven not to exist (Z03.-) Z03
  • encounter for laboratory, radiologic and imaging examinations for sign(s) and symptom(s) - code to the sign(s) or symptom(s)

Excludes2

  • encounter for laboratory and radiologic examinations as a component of general medical examinations (Z00.0-) Z00.0
  • screening examinations (Z11-Z13) Z11 Z13

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

  • Hearing examination → Z01.10
  • Gynecological examination (periodic) (routine) → Z01.419
  • Admission (for)vision examination → Z01.00
  • Examination (for) (following) (general) (of) (routine)eye → Z01.00
  • Examination (for) (following) (general) (of) (routine)vision → Z01.00
  • Test, tests, testing (for)vision → Z01.00
  • Vision, visualexamination → Z01.00
  • Examination (for) (following) (general) (of) (routine)ear → Z01.10
  • Examination (for) (following) (general) (of) (routine)hearing → Z01.10
  • Test, tests, testing (for)hearing → Z01.10
  • Hearing examinationfollowing failed hearing screening → Z01.110
  • Hearing examinationwith abnormal findings NEC → Z01.118
  • Encounter (with health service) (for)hearing conservation and treatment → Z01.12
  • Hearing examinationfor hearing conservation and treatment → Z01.12
  • Dentalexamination → Z01.20
  • Examination (for) (following) (general) (of) (routine)dental → Z01.20
  • Examination (for) (following) (general) (of) (routine)teeth → Z01.20
  • Examination (for) (following) (general) (of) (routine)blood pressure → Z01.30
  • Test, tests, testing (for)blood pressure → Z01.30
  • Gynecological examination (periodic) (routine)with abnormal findings → Z01.411
  • Examination (for) (following) (general) (of) (routine)gynecological → Z01.419
  • Examination (for) (following) (general) (of) (routine)pelvic (annual) (periodic) → Z01.419
  • Papanicolaou smear, cervixas part of routine gynecological examination → Z01.419
  • Papanicolaou smear, cervixroutine → Z01.419
  • Pelvicexamination (periodic) (routine) → Z01.419
  • Encounter (with health service) (for)repeat cervical smear to confirm findings of recent normal smear following initial abnormal smear → Z01.42
  • Examination (for) (following) (general) (of) (routine)repeat cervical smear to confirm findings of recent normal smear following initial abnormal smear → Z01.42
  • Examination (for) (following) (general) (of) (routine)pre-chemotherapy (antineoplastic) → Z01.818
  • Examination (for) (following) (general) (of) (routine)prior to chemotherapy (antineoplastic) → Z01.818
  • Examination (for) (following) (general) (of) (routine)allergy → Z01.82
  • Examination (for) (following) (general) (of) (routine)skin (hypersensitivity) → Z01.82
  • Encounter (with health service) (for)blood typing → Z01.83
  • Encounter (with health service) (for)Rh typing → Z01.83
  • Test, tests, testing (for)blood typing → Z01.83
  • Examination (for) (following) (general) (of) (routine)antibody response → Z01.84
  • Examination (for) (following) (general) (of) (routine)immunity status testing → Z01.84
  • Test, tests, testing (for)immunity status → Z01.84
  • Examination (for) (following) (general) (of) (routine)special → Z01.89
  • Test, tests, testing (for)intelligence NEC → Z01.89
  • Test, tests, testing (for)specified NEC → Z01.89

60 more, longer entries are not listed; the search box finds them by word.

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

Hierarchy