Observation (following) (for) (without need for further medical care) Z04.9

ICD-10-CM Diagnosis Code Z04.9

Encounter for examination and observation for unspecified reason

2016 2017 2018 2019 Billable/Specific Code

Applicable To

• Encounter for observation NOS

• accident NEC Z04.3
  ICD-10-CM Diagnosis Code Z04.3

  Encounter for examination and observation following other accident

  2016 2017 2018 2019 Billable/Specific Code
  • at work Z04.2
    ICD-10-CM Diagnosis Code Z04.2

    Encounter for examination and observation following work accident

    2016 2017 2018 2019 Billable/Specific Code
  • transport Z04.1
    ICD-10-CM Diagnosis Code Z04.1

    Encounter for examination and observation following transport accident

    2016 2017 2018 2019 Billable/Specific Code

    Type 1 Excludes

    • encounter for examination and observation following work accident (Z04.2)
• adverse effect of drug Z03.6
  ICD-10-CM Diagnosis Code Z03.6

  Encounter for observation for suspected toxic effect from ingested substance ruled out

  2016 2017 2018 2019 Billable/Specific Code POA Exempt

  Applicable To

  • Encounter for observation for suspected adverse effect from drug
  • Encounter for observation for suspected poisoning
• alleged rape or sexual assault (victim)
  • adult Z04.41
    ICD-10-CM Diagnosis Code Z04.41

    Encounter for examination and observation following alleged adult rape

    2016 2017 2018 2019 Billable/Specific Code Adult Dx (15-124 years)

    Applicable To

    • Suspected adult rape, ruled out
    • Suspected adult sexual abuse, ruled out
  • child Z04.42
    ICD-10-CM Diagnosis Code Z04.42

    Encounter for examination and observation following alleged child rape

    2016 2017 2018 2019 Billable/Specific Code Pediatric Dx (0-17 years)

    Applicable To

    • Suspected child rape, ruled out
    • Suspected child sexual abuse, ruled out
• criminal assault Z04.89
  ICD-10-CM Diagnosis Code Z04.89

  Encounter for examination and observation for other specified reasons

  2019 - New Code Billable/Specific Code POA Exempt
• development state
  • adolescent Z00.3
    ICD-10-CM Diagnosis Code Z00.3

    Encounter for examination for adolescent development state

    2016 2017 2018 2019 Billable/Specific Code Pediatric Dx (0-17 years) POA Exempt

    Applicable To

    • Encounter for puberty development state
  • period of rapid growth in childhood Z00.2
    ICD-10-CM Diagnosis Code Z00.2

    Encounter for examination for period of rapid growth in childhood

    2016 2017 2018 2019 Billable/Specific Code Pediatric Dx (0-17 years) POA Exempt
  • puberty Z00.3
    ICD-10-CM Diagnosis Code Z00.3

    Encounter for examination for adolescent development state

    2016 2017 2018 2019 Billable/Specific Code Pediatric Dx (0-17 years) POA Exempt

    Applicable To

    • Encounter for puberty development state
• disease, specified NEC Z03.89
  ICD-10-CM Diagnosis Code Z03.89

  Encounter for observation for other suspected diseases and conditions ruled out

  2016 2017 2018 2019 Billable/Specific Code POA Exempt
• following work accident Z04.2
  ICD-10-CM Diagnosis Code Z04.2

  Encounter for examination and observation following work accident

  2016 2017 2018 2019 Billable/Specific Code
• forced labor exploitation Z04.82
  ICD-10-CM Diagnosis Code Z04.82

  Encounter for examination and observation of victim following forced labor exploitation

  2019 - New Code Billable/Specific Code POA Exempt
• forced sexual exploitation Z04.81
  ICD-10-CM Diagnosis Code Z04.81

  Encounter for examination and observation of victim following forced sexual exploitation

  2019 - New Code Billable/Specific Code POA Exempt
• growth and development state - see Observation, development state
• injuries (accidental) - see also Observation, accident
• newborn (for)
  • suspected condition, related to exposure from the mother or birth process - see - Newborn, affected by, maternal
    • ruled out Z05.9
      ICD-10-CM Diagnosis Code Z05.9

      Observation and evaluation of newborn for unspecified suspected condition ruled out

      2017 - New Code 2018 2019 Billable/Specific Code Newborn/Neonate Dx (0 years) POA Exempt
      • cardiac Z05.0
        ICD-10-CM Diagnosis Code Z05.0

        Observation and evaluation of newborn for suspected cardiac condition ruled out

        2017 - New Code 2018 2019 Billable/Specific Code Newborn/Neonate Dx (0 years) POA Exempt
      • connective tissue Z05.73
        ICD-10-CM Diagnosis Code Z05.73

        Observation and evaluation of newborn for suspected connective tissue condition ruled out

        2017 - New Code 2018 2019 Billable/Specific Code Newborn/Neonate Dx (0 years) POA Exempt
      • gastrointestinal Z05.5
        ICD-10-CM Diagnosis Code Z05.5

        Observation and evaluation of newborn for suspected gastrointestinal condition ruled out

        2017 - New Code 2018 2019 Billable/Specific Code Newborn/Neonate Dx (0 years) POA Exempt
      • genetic Z05.41
        ICD-10-CM Diagnosis Code Z05.41

        Observation and evaluation of newborn for suspected genetic condition ruled out

        2017 - New Code 2018 2019 Billable/Specific Code Newborn/Neonate Dx (0 years) POA Exempt
      • genitourinary Z05.6
        ICD-10-CM Diagnosis Code Z05.6

        Observation and evaluation of newborn for suspected genitourinary condition ruled out

        2017 - New Code 2018 2019 Billable/Specific Code Newborn/Neonate Dx (0 years) POA Exempt
      • immunologic Z05.43
        ICD-10-CM Diagnosis Code Z05.43

        Observation and evaluation of newborn for suspected immunologic condition ruled out

        2017 - New Code 2018 2019 Billable/Specific Code Newborn/Neonate Dx (0 years) POA Exempt
      • infectious Z05.1
        ICD-10-CM Diagnosis Code Z05.1

        Observation and evaluation of newborn for suspected infectious condition ruled out

        2017 - New Code 2018 2019 Billable/Specific Code Newborn/Neonate Dx (0 years) POA Exempt
      • metabolic Z05.42
        ICD-10-CM Diagnosis Code Z05.42

        Observation and evaluation of newborn for suspected metabolic condition ruled out

        2017 - New Code 2018 2019 Billable/Specific Code Newborn/Neonate Dx (0 years) POA Exempt
      • musculoskeletal Z05.72
        ICD-10-CM Diagnosis Code Z05.72

        Observation and evaluation of newborn for suspected musculoskeletal condition ruled out

        2017 - New Code 2018 2019 Billable/Specific Code Newborn/Neonate Dx (0 years) POA Exempt
      • neurological Z05.2
        ICD-10-CM Diagnosis Code Z05.2

        Observation and evaluation of newborn for suspected neurological condition ruled out

        2017 - New Code 2018 2019 Billable/Specific Code Newborn/Neonate Dx (0 years) POA Exempt
      • respiratory Z05.3
        ICD-10-CM Diagnosis Code Z05.3

        Observation and evaluation of newborn for suspected respiratory condition ruled out

        2017 - New Code 2018 2019 Billable/Specific Code Newborn/Neonate Dx (0 years) POA Exempt
      • skin and subcutaneous tissue Z05.71
        ICD-10-CM Diagnosis Code Z05.71

        Observation and evaluation of newborn for suspected skin and subcutaneous tissue condition ruled out

        2017 - New Code 2018 2019 Billable/Specific Code Newborn/Neonate Dx (0 years) POA Exempt
      • specified condition NEC Z05.8
        ICD-10-CM Diagnosis Code Z05.8

        Observation and evaluation of newborn for other specified suspected condition ruled out

        2017 - New Code 2018 2019 Billable/Specific Code Newborn/Neonate Dx (0 years) POA Exempt
• postpartum
  • immediately after delivery Z39.0
    ICD-10-CM Diagnosis Code Z39.0

    Encounter for care and examination of mother immediately after delivery

    2016 2017 2018 2019 Billable/Specific Code Maternity Dx (12-55 years) Female Dx POA Exempt

    Applicable To

    • Care and observation in uncomplicated cases when the delivery occurs outside a healthcare facility

    Type 1 Excludes

    • care for postpartum complication- see Alphabetic index
  • routine follow-up Z39.2
    ICD-10-CM Diagnosis Code Z39.2

    Encounter for routine postpartum follow-up

    2016 2017 2018 2019 Billable/Specific Code Maternity Dx (12-55 years) Female Dx POA Exempt
• pregnancy (normal) (without complication) Z34.9-
  ICD-10-CM Diagnosis Code Z34.9-

  Encounter for supervision of normal pregnancy, unspecified

  2016 2017 2018 2019 Non-Billable/Non-Specific Code
  • high risk O09.9-
    ICD-10-CM Diagnosis Code O09.9-

    Supervision of high risk pregnancy, unspecified

    2016 2017 2018 2019 Non-Billable/Non-Specific Code
• suicide attempt, alleged NEC Z03.89
  ICD-10-CM Diagnosis Code Z03.89

  Encounter for observation for other suspected diseases and conditions ruled out

  2016 2017 2018 2019 Billable/Specific Code POA Exempt
  • self-poisoning Z03.6
    ICD-10-CM Diagnosis Code Z03.6

    Encounter for observation for suspected toxic effect from ingested substance ruled out

    2016 2017 2018 2019 Billable/Specific Code POA Exempt

    Applicable To

    • Encounter for observation for suspected adverse effect from drug
    • Encounter for observation for suspected poisoning
• suspected, ruled out - see also Suspected condition, ruled out
  • abuse, physical
    • adult Z04.71
      ICD-10-CM Diagnosis Code Z04.71

      Encounter for examination and observation following alleged adult physical abuse

      2016 2017 2018 2019 Billable/Specific Code Adult Dx (15-124 years)

      Applicable To

      • Suspected adult physical abuse, ruled out

      Type 1 Excludes

      • confirmed case of adult physical abuse (T74.-)
      • encounter for examination and observation following alleged adult sexual abuse (Z04.41)
      • suspected case of adult physical abuse, not ruled out (T76.-)
    • child Z04.72
      ICD-10-CM Diagnosis Code Z04.72

      Encounter for examination and observation following alleged child physical abuse

      2016 2017 2018 2019 Billable/Specific Code Pediatric Dx (0-17 years)

      Applicable To

      • Suspected child physical abuse, ruled out

      Type 1 Excludes

      • confirmed case of child physical abuse (T74.-)
      • encounter for examination and observation following alleged child sexual abuse (Z04.42)
      • suspected case of child physical abuse, not ruled out (T76.-)
  • accident at work Z04.2
    ICD-10-CM Diagnosis Code Z04.2

    Encounter for examination and observation following work accident

    2016 2017 2018 2019 Billable/Specific Code
  • adult battering victim Z04.71
    ICD-10-CM Diagnosis Code Z04.71

    Encounter for examination and observation following alleged adult physical abuse

    2016 2017 2018 2019 Billable/Specific Code Adult Dx (15-124 years)

    Applicable To

    • Suspected adult physical abuse, ruled out

    Type 1 Excludes

    • confirmed case of adult physical abuse (T74.-)
    • encounter for examination and observation following alleged adult sexual abuse (Z04.41)
    • suspected case of adult physical abuse, not ruled out (T76.-)
  • child battering victim Z04.72
    ICD-10-CM Diagnosis Code Z04.72

    Encounter for examination and observation following alleged child physical abuse

    2016 2017 2018 2019 Billable/Specific Code Pediatric Dx (0-17 years)

    Applicable To

    • Suspected child physical abuse, ruled out

    Type 1 Excludes

    • confirmed case of child physical abuse (T74.-)
    • encounter for examination and observation following alleged child sexual abuse (Z04.42)
    • suspected case of child physical abuse, not ruled out (T76.-)
  • condition NEC Z03.89
    ICD-10-CM Diagnosis Code Z03.89

    Encounter for observation for other suspected diseases and conditions ruled out

    2016 2017 2018 2019 Billable/Specific Code POA Exempt
    • newborn Z05.9
      - see also Observation, newborn (for), suspected condition, ruled out
      ICD-10-CM Diagnosis Code Z05.9

      Observation and evaluation of newborn for unspecified suspected condition ruled out

      2017 - New Code 2018 2019 Billable/Specific Code Newborn/Neonate Dx (0 years) POA Exempt
  • drug poisoning or adverse effect Z03.6
    ICD-10-CM Diagnosis Code Z03.6

    Encounter for observation for suspected toxic effect from ingested substance ruled out

    2016 2017 2018 2019 Billable/Specific Code POA Exempt

    Applicable To

    • Encounter for observation for suspected adverse effect from drug
    • Encounter for observation for suspected poisoning
  • exposure (to)
    • anthrax Z03.810
      ICD-10-CM Diagnosis Code Z03.810

      Encounter for observation for suspected exposure to anthrax ruled out

      2016 2017 2018 2019 Billable/Specific Code POA Exempt
    • biological agent NEC Z03.818
      ICD-10-CM Diagnosis Code Z03.818

      Encounter for observation for suspected exposure to other biological agents ruled out

      2016 2017 2018 2019 Billable/Specific Code POA Exempt
  • inflicted injury NEC Z04.89
    ICD-10-CM Diagnosis Code Z04.89

    Encounter for examination and observation for other specified reasons

    2019 - New Code Billable/Specific Code POA Exempt
  • suicide attempt, alleged Z03.89
    ICD-10-CM Diagnosis Code Z03.89

    Encounter for observation for other suspected diseases and conditions ruled out

    2016 2017 2018 2019 Billable/Specific Code POA Exempt
    • self-poisoning Z03.6
      ICD-10-CM Diagnosis Code Z03.6

      Encounter for observation for suspected toxic effect from ingested substance ruled out

      2016 2017 2018 2019 Billable/Specific Code POA Exempt

      Applicable To

      • Encounter for observation for suspected adverse effect from drug
      • Encounter for observation for suspected poisoning
  • toxic effects from ingested substance Z03.6
    (drug) (poison)
    ICD-10-CM Diagnosis Code Z03.6

    Encounter for observation for suspected toxic effect from ingested substance ruled out

    2016 2017 2018 2019 Billable/Specific Code POA Exempt

    Applicable To

    • Encounter for observation for suspected adverse effect from drug
    • Encounter for observation for suspected poisoning
• toxic effects from ingested substance Z03.6
  (drug) (poison)
  ICD-10-CM Diagnosis Code Z03.6

  Encounter for observation for suspected toxic effect from ingested substance ruled out

  2016 2017 2018 2019 Billable/Specific Code POA Exempt

  Applicable To

  • Encounter for observation for suspected adverse effect from drug
  • Encounter for observation for suspected poisoning