DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

Z05 Encounter for observation and evaluation of newborn for suspected diseases and conditions ruled out

  • Header · not billable

Z05 is not billable. The category heads 15 billable codes in FY2027, grouped under 10 subdivisions.

Index → code

  • Suspected condition, ruled outnewborn → Z05.9
  • Observation (following) (for) (without need for further medical care)suspected, ruled outcondition NECnewborn → Z05.9
  • Encounter (with health service) (for)observation (for) (ruled out)condition suspected related to home physiologic monitoring devicenewborn → Z05.81

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. Z05 Encounter for observation and evaluation of newborn for suspected diseases and conditions ruled out
Billable codes
15
Subdivisions
10
CC / MCC codes
0 / 0
HCC V28 codes
0
New FY2027
0
Index entries
22

Codes in Z05

  1. Z05.0
    Observation and evaluation of newborn for suspected cardiac condition ruled out
    BillableExempt
  2. Z05.1
    Observation and evaluation of newborn for suspected infectious condition ruled out
    BillableExempt
  3. Z05.2
    Observation and evaluation of newborn for suspected neurological condition ruled out
    BillableExempt
  4. Z05.3
    Observation and evaluation of newborn for suspected respiratory condition ruled out
    BillableExempt
  5. Z05.4
    Observation and evaluation of newborn for suspected genetic, metabolic or immunologic condition ruled out
    Header
  6. Z05.41
    Observation and evaluation of newborn for suspected genetic condition ruled out
    BillableExempt
  7. Z05.42
    Observation and evaluation of newborn for suspected metabolic condition ruled out
    BillableExempt
  8. Z05.43
    Observation and evaluation of newborn for suspected immunologic condition ruled out
    BillableExempt
  9. Z05.5
    Observation and evaluation of newborn for suspected gastrointestinal condition ruled out
    BillableExempt
  10. Z05.6
    Observation and evaluation of newborn for suspected genitourinary condition ruled out
    BillableExempt
  11. Z05.7
    Observation and evaluation of newborn for suspected skin, subcutaneous, musculoskeletal and connective tissue condition ruled out
    Header
  12. Z05.71
    Observation and evaluation of newborn for suspected skin and subcutaneous tissue condition ruled out
    BillableExempt
  13. Z05.72
    Observation and evaluation of newborn for suspected musculoskeletal condition ruled out
    BillableExempt
  14. Z05.73
    Observation and evaluation of newborn for suspected connective tissue condition ruled out
    BillableExempt
  15. Z05.8
    Observation and evaluation of newborn for other specified suspected condition ruled out
    Header
  16. Z05.81
    Observation and evaluation of newborn for suspected condition related to home physiologic monitoring device ruled out
    BillableExempt
    Inclusion terms 5, Excludes1 4

    Inclusion terms

    • Encounter for observation of newborn for apnea alarm without findings
    • Encounter for observation of newborn for bradycardia alarm without findings
    • Encounter for observation of newborn for malfunction of home cardiorespiratory monitor
    • Encounter for observation of newborn for non-specific findings home physiologic monitoring device
    • Encounter for observation of newborn for pulse oximeter alarm without findings

    Excludes1

    • encounter for observation for suspected conditions related to home physiologic monitoring device ruled out (Z03.83) Z03.83
    • neonatal bradycardia (P29.12) P29.12
    • other newborn apnea (P28.4-) P28.4
    • primary sleep apnea of newborn (P28.3-) P28.3
  17. Z05.89
    Observation and evaluation of newborn for other specified suspected condition ruled out
    BillableExempt
  18. Z05.9
    Observation and evaluation of newborn for unspecified suspected condition ruled out
    BillableExempt

Sources of each column.

Instructions

At Z05

Inclusion terms

  • This category is to be used for newborns, within the neonatal period (the first 28 days of life), who are suspected of having an abnormal condition, but without signs or symptoms, and which, after examination and observation, is ruled out.

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

  • Suspected condition, ruled outnewborn → Z05.9
  • Encounter (with health service) (for)observation (for) (ruled out)condition suspected related to home physiologic monitoring devicenewborn → Z05.81
  • Observation (following) (for) (without need for further medical care)newborn (for)suspected condition, related to exposure from the mother or birth processruled out → Z05.9
  • Observation (following) (for) (without need for further medical care)suspected, ruled outcondition NECnewborn → Z05.9
  • Observation (following) (for) (without need for further medical care)newborn (for)suspected condition, related to exposure from the mother or birth processruled outcardiac → Z05.0
  • Observation (following) (for) (without need for further medical care)newborn (for)suspected condition, related to exposure from the mother or birth processruled outinfectious → Z05.1
  • Observation (following) (for) (without need for further medical care)newborn (for)suspected condition, related to exposure from the mother or birth processruled outneurological → Z05.2
  • Observation (following) (for) (without need for further medical care)newborn (for)suspected condition, related to exposure from the mother or birth processruled outrespiratory → Z05.3
  • Observation (following) (for) (without need for further medical care)newborn (for)suspected condition, related to exposure from the mother or birth processruled outgenetic → Z05.41
  • Observation (following) (for) (without need for further medical care)newborn (for)suspected condition, related to exposure from the mother or birth processruled outmetabolic → Z05.42
  • Observation (following) (for) (without need for further medical care)newborn (for)suspected condition, related to exposure from the mother or birth processruled outimmunologic → Z05.43
  • Observation (following) (for) (without need for further medical care)newborn (for)suspected condition, related to exposure from the mother or birth processruled outgastrointestinal → Z05.5
  • Observation (following) (for) (without need for further medical care)newborn (for)suspected condition, related to exposure from the mother or birth processruled outgenitourinary → Z05.6
  • Observation (following) (for) (without need for further medical care)newborn (for)suspected condition, related to exposure from the mother or birth processruled outskin and subcutaneous tissue → Z05.71
  • Observation (following) (for) (without need for further medical care)newborn (for)suspected condition, related to exposure from the mother or birth processruled outmusculoskeletal → Z05.72
  • Observation (following) (for) (without need for further medical care)newborn (for)suspected condition, related to exposure from the mother or birth processruled outconnective tissue → Z05.73
  • Encounter (with health service) (for)observation (for) (ruled out)condition suspected related to home physiologic monitoring devicenewbornapnea alarm → Z05.81
  • Encounter (with health service) (for)observation (for) (ruled out)condition suspected related to home physiologic monitoring devicenewbornbradycardia alarm → Z05.81
  • Encounter (with health service) (for)observation (for) (ruled out)condition suspected related to home physiologic monitoring devicenewbornmalfunction of home cardiorespiratory monitor → Z05.81
  • Encounter (with health service) (for)observation (for) (ruled out)condition suspected related to home physiologic monitoring devicenewbornnon-specific findings home physiologic monitoring device → Z05.81
  • Encounter (with health service) (for)observation (for) (ruled out)condition suspected related to home physiologic monitoring devicenewbornpulse oximeter alarm without findings → Z05.81
  • Observation (following) (for) (without need for further medical care)newborn (for)suspected condition, related to exposure from the mother or birth processruled outspecified condition NEC → Z05.89

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

Hierarchy