DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Block · Chapter 17

Q30-Q34 Congenital malformations of the respiratory system (Q30-Q34)

Block Q30-Q34 groups 5 categories with 31 billable codes in FY2027.

Where it sits

  1. Chapter 17 Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders (Q00-QA1)
  2. Q30-Q34 Congenital malformations of the respiratory system (Q30-Q34)

Neighbouring blocks

Categories
5
Billable codes
31
CC codes
13
MCC codes
3
HCC V28 codes
0
New FY2027
0

Categories in Q30-Q34

  • Q30

    Congenital malformations of nose

    Notching nose, congenital (tip) → Q30.2

    • 6 billable codes
  • Q31

    Congenital malformations of larynx

    Laryngomalacia (congenital) → Q31.5

    • 7 billable codes
    • 6 CC
  • Q32

    Congenital malformations of trachea and bronchus

    Tracheobronchomegaly → Q32.4

    • 5 billable codes
    • 5 CC
  • Q33

    Congenital malformations of lung

    Azygoslobe (lung) → Q33.1

    • 9 billable codes
    • 2 CC
    • 3 MCC
  • Q34

    Other congenital malformations of respiratory system

    Atresia, atreticnasopharynx → Q34.8

    • 4 billable codes

Index main terms

  • Anomaly, anomalous (congenital) (unspecified type) → Q30, Q31, Q32, Q33, Q34 (21 entries)
  • Deformity → Q30, Q31, Q32, Q33, Q34 (12 entries)
  • Atresia, atretic → Q30, Q31, Q32, Q34 (11 entries)
  • Absence (of) (organ or part) (complete or partial) → Q30, Q31, Q32, Q33, Q34 (10 entries)
  • Agenesis → Q30, Q31, Q32, Q33, Q34 (10 entries)
  • Hypoplasia, hypoplastic → Q30, Q31, Q32, Q33, Q34 (10 entries)
  • Malposition → Q30, Q31, Q32, Q33, Q34 (9 entries)
  • Cyst (colloid) (mucous) (simple) (retention) → Q31, Q33, Q34 (7 entries)
  • Imperfect → Q30, Q31, Q32 (7 entries)
  • Stricture → Q30, Q31, Q32 (7 entries)
  • Malformation (congenital) → Q30, Q32, Q33, Q34 (6 entries)
  • Stenosis, stenotic (cicatricial) → Q30, Q31, Q32 (6 entries)
  • Disease, diseased → Q33 (5 entries)
  • Fusion, fused (congenital) → Q30, Q33, Q34 (4 entries)
  • Accessory (congenital) → Q30, Q31, Q33 (3 entries)

+51 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.