DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Block · Chapter 17

Q80-Q89 Other congenital malformations (Q80-Q89)

Block Q80-Q89 groups 9 categories with 82 billable codes in FY2027. One code is new this year.

Categories
9
Billable codes
82
CC codes
32
MCC codes
1
HCC V28 codes
11
New FY2027
1

Categories in Q80-Q89

  • Q80

    Congenital ichthyosis

    Collodion baby → Q80.2

    • 7 billable codes
  • Q81

    Epidermolysis bullosa

    Herlitz' syndrome → Q81.1

    • 5 billable codes
  • Q82

    Other congenital malformations of skin

    Birthmark → Q82.5

    • 9 billable codes
  • Q83

    Congenital malformations of breast

    Polymastia → Q83.1

    • 6 billable codes
  • Q84

    Other congenital malformations of integument

    Eponychia → Q84.6

    • 9 billable codes
  • Q85

    Phakomatoses, not elsewhere classified

    PHTS → Q85.81

    • 11 billable codes
    • 6 CC
    • 11 with HCC
  • Q86

    Congenital malformation syndromes due to known exogenous causes, not elsewhere classified

    Meadow's syndrome → Q86.1

    • 4 billable codes
  • Q87

    Other specified congenital malformation syndromes affecting multiple systems

    Cyclopism → Q87.0

    • 21 billable codes
    • 20 CC
    • 1 new
  • Q89

    Other congenital malformations, not elsewhere classified

    Janiceps → Q89.4

    • 10 billable codes
    • 6 CC
    • 1 MCC

FY2027 changes in Q80-Q89

  • Q87.A Loeys-Dietz syndrome New FY2027

Index main terms

  • Syndrome → Q82, Q85, Q86, Q87, Q89 (79 entries)
  • Anomaly, anomalous (congenital) (unspecified type) → Q82, Q83, Q84, Q89 (26 entries)
  • Deformity → Q82, Q83, Q84, Q89 (19 entries)
  • Malformation (congenital) → Q82, Q83, Q84, Q87, Q89 (15 entries)
  • Disease, diseased → Q80, Q82, Q85, Q89 (12 entries)
  • Accessory (congenital) → Q82, Q83, Q89 (11 entries)
  • Agenesis → Q83, Q84, Q89 (11 entries)
  • Hypoplasia, hypoplastic → Q82, Q83, Q84, Q89 (11 entries)
  • Malposition → Q83, Q84, Q89 (10 entries)
  • Nevus → Q82, Q85 (10 entries)
  • Absence (of) (organ or part) (complete or partial) → Q83, Q89 (9 entries)
  • Ichthyosis (congenital) → Q80, Q82 (9 entries)
  • Aberrant (congenital) → Q83, Q89 (8 entries)
  • Cyst (colloid) (mucous) (simple) (retention) → Q89 (7 entries)
  • Distortion(s) (congenital) → Q89 (7 entries)

+283 more main terms; the search box finds them by word.

Block instructions

Notes that also apply

Chapter 17 instructions (Notes 1, Excludes2 1): printed on the chapter 17 page.