2021

  1. ICD-10-CM Codes
    2. ›
  2. Q00-Q99 Congenital malformations, deformations and chromosomal abnormalities
    3. ›
  3. Q80-Q89 Other congenital malformations
    4. ›
  4. Q84- Other congenital malformations of integument
    5. ›
  5. 2021 ICD-10-CM Diagnosis Code Q84.6

2021 ICD-10-CM Diagnosis Code Q84.6

Other congenital malformations of nails

    2016 2017 2018 2019 2020 2021 Billable/Specific Code POA Exempt
  • Q84.6 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2021 edition of ICD-10-CM Q84.6 became effective on October 1, 2020.
  • This is the American ICD-10-CM version of Q84.6 - other international versions of ICD-10 Q84.6 may differ.
Applicable To
  • Congenital clubnail
  • Congenital koilonychia
  • Congenital malformation of nail NOS
The following code(s) above Q84.6 contain annotation back-references
Annotation Back-References
In this context, annotation back-references refer to codes that contain:
  • Applicable To annotations, or
  • Code Also annotations, or
  • Code First annotations, or
  • Excludes1 annotations, or
  • Excludes2 annotations, or
  • Includes annotations, or
  • Note annotations, or
  • Use Additional annotations
that may be applicable to Q84.6:
  • Q00-Q99
    2021 ICD-10-CM Range Q00-Q99

    Congenital malformations, deformations and chromosomal abnormalities

    Note
    • Codes from this chapter are not for use on maternal records
    Type 2 Excludes
    • inborn errors of metabolism (E70-E88)
    Congenital malformations, deformations and chromosomal abnormalities
Approximate Synonyms
  • Club nail, congenital
  • Congenital anomaly of nail
  • Congenital clubnail
  • Congenital nail anomaly
Present On Admission
POA Help
"Present On Admission" is defined as present at the time the order for inpatient admission occurs — conditions that develop during an outpatient encounter, including emergency department, observation, or outpatient surgery, are considered POA.
  • Q84.6 is considered exempt from POA reporting.
ICD-10-CM Q84.6 is grouped within Diagnostic Related Group(s) (MS-DRG v38.0):
  • 606 Minor skin disorders with mcc
  • 607 Minor skin disorders without mcc

Convert Q84.6 to ICD-9-CM

Code History
  • 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
  • 2017 (effective 10/1/2016): No change
  • 2018 (effective 10/1/2017): No change
  • 2019 (effective 10/1/2018): No change
  • 2020 (effective 10/1/2019): No change
  • 2021 (effective 10/1/2020): No change

Diagnosis Index entries containing back-references to Q84.6:
  • Anomaly, anomalous (congenital) (unspecified type) Q89.9
    ICD-10-CM Diagnosis Code Q89.9

    Congenital malformation, unspecified

      2016 2017 2018 2019 2020 2021 Billable/Specific Code POA Exempt
    Applicable To
    • Congenital anomaly NOS
    • Congenital deformity NOS
    • nail Q84.6
  • Atrophia - see also Atrophy
    • unguium L60.3
      ICD-10-CM Diagnosis Code L60.3

      Nail dystrophy

        2016 2017 2018 2019 2020 2021 Billable/Specific Code
      • congenita Q84.6
  • Brittle
    • nails L60.3
      ICD-10-CM Diagnosis Code L60.3

      Nail dystrophy

        2016 2017 2018 2019 2020 2021 Billable/Specific Code
      • congenital Q84.6
  • Clubnail R68.3
    ICD-10-CM Diagnosis Code R68.3

    Clubbing of fingers

      2016 2017 2018 2019 2020 2021 Billable/Specific Code
    Applicable To
    • Clubbing of nails
    Type 1 Excludes
    • congenital clubfinger (Q68.1)
    • congenital Q84.6
  • Deformity Q89.9
    ICD-10-CM Diagnosis Code Q89.9

    Congenital malformation, unspecified

      2016 2017 2018 2019 2020 2021 Billable/Specific Code POA Exempt
    Applicable To
    • Congenital anomaly NOS
    • Congenital deformity NOS
    • nail (acquired) L60.8
      ICD-10-CM Diagnosis Code L60.8

      Other nail disorders

        2016 2017 2018 2019 2020 2021 Billable/Specific Code
      • congenital Q84.6
  • Displacement, displaced
    • nail (congenital) Q84.6
  • Dystrophy, dystrophia
    • nail L60.3
      ICD-10-CM Diagnosis Code L60.3

      Nail dystrophy

        2016 2017 2018 2019 2020 2021 Billable/Specific Code
      • congenital Q84.6
    • unguium L60.3
      ICD-10-CM Diagnosis Code L60.3

      Nail dystrophy

        2016 2017 2018 2019 2020 2021 Billable/Specific Code
      • congenital Q84.6
  • Egg shell nails L60.3
    ICD-10-CM Diagnosis Code L60.3

    Nail dystrophy

      2016 2017 2018 2019 2020 2021 Billable/Specific Code
    • congenital Q84.6
  • Eponychia Q84.6
  • Fragilitas
    • unguium L60.3
      ICD-10-CM Diagnosis Code L60.3

      Nail dystrophy

        2016 2017 2018 2019 2020 2021 Billable/Specific Code
      • congenital Q84.6
  • Furrowed K14.5
    ICD-10-CM Diagnosis Code K14.5

    Plicated tongue

      2016 2017 2018 2019 2020 2021 Billable/Specific Code
    Applicable To
    • Fissured tongue
    • Furrowed tongue
    • Scrotal tongue
    Type 1 Excludes
    • fissured tongue, congenital (Q38.3)
    • nail(s) (transverse) L60.4
      ICD-10-CM Diagnosis Code L60.4

      Beau's lines

        2016 2017 2018 2019 2020 2021 Billable/Specific Code
      • congenital Q84.6
  • Horn
    • nail L60.2
      ICD-10-CM Diagnosis Code L60.2

      Onychogryphosis

        2016 2017 2018 2019 2020 2021 Billable/Specific Code
      • congenital Q84.6
  • Hypoplasia, hypoplastic
    • nail Q84.6(s)
  • Koilonychia L60.3
    ICD-10-CM Diagnosis Code L60.3

    Nail dystrophy

      2016 2017 2018 2019 2020 2021 Billable/Specific Code
    • congenital Q84.6
  • Longitudinal stripes or grooves, nails L60.8
    ICD-10-CM Diagnosis Code L60.8

    Other nail disorders

      2016 2017 2018 2019 2020 2021 Billable/Specific Code
    • congenital Q84.6
  • Malformation (congenital) - see also Anomaly
    • nail Q84.6
  • Malposition
  • Onychodystrophy L60.3
    ICD-10-CM Diagnosis Code L60.3

    Nail dystrophy

      2016 2017 2018 2019 2020 2021 Billable/Specific Code
    • congenital Q84.6
  • Onychorrhexis L60.3
    ICD-10-CM Diagnosis Code L60.3

    Nail dystrophy

      2016 2017 2018 2019 2020 2021 Billable/Specific Code
    • congenital Q84.6
  • Persistence, persistent (congenital)
    • nail Q84.6(s)
  • Platyonychia (congenital) Q84.6
  • Polyunguia Q84.6
  • Remnant
    • fingernail L60.8
      ICD-10-CM Diagnosis Code L60.8

      Other nail disorders

        2016 2017 2018 2019 2020 2021 Billable/Specific Code
      • congenital Q84.6
  • Spading nail L60.8
    ICD-10-CM Diagnosis Code L60.8

    Other nail disorders

      2016 2017 2018 2019 2020 2021 Billable/Specific Code
    • congenital Q84.6
  • Spoon nail L60.3
    ICD-10-CM Diagnosis Code L60.3

    Nail dystrophy

      2016 2017 2018 2019 2020 2021 Billable/Specific Code
    • congenital Q84.6

ICD-10-CM Codes Adjacent To Q84.6
Q83.3 Accessory nipple
Q83.8 Other congenital malformations of breast
Q83.9 Congenital malformation of breast, unspecified
Q84 Other congenital malformations of integument
Q84.0 Congenital alopecia
Q84.1 Congenital morphological disturbances of hair, not elsewhere classified
Q84.2 Other congenital malformations of hair
Q84.3 Anonychia
Q84.4 Congenital leukonychia
Q84.5 Enlarged and hypertrophic nails
Q84.6 Other congenital malformations of nails
Q84.8 Other specified congenital malformations of integument
Q84.9 Congenital malformation of integument, unspecified
Q85 Phakomatoses, not elsewhere classified
Q85.0 Neurofibromatosis (nonmalignant)
Q85.00 Neurofibromatosis, unspecified
Q85.01 Neurofibromatosis, type 1
Q85.02 Neurofibromatosis, type 2
Q85.03 Schwannomatosis
Q85.09 Other neurofibromatosis
Q85.1 Tuberous sclerosis

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.

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