DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

Q73 Reduction defects of unspecified limb

  • Header · not billable

Q73 is not billable. The category heads 3 billable codes in FY2027: the 3 codes directly below it.

Index → code

Where it sits

  1. Chapter 17 Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders (Q00-QA1)
  2. Q65-Q79 Congenital malformations and deformations of the musculoskeletal system (Q65-Q79)
  3. Q73 Reduction defects of unspecified limb
Billable codes
3
Subdivisions
3
CC / MCC codes
0 / 0
HCC V28 codes
0
New FY2027
0
Index entries
12

Codes in Q73

  1. Q73.0
    Congenital absence of unspecified limb(s)
    BillableExempt
    Inclusion terms 1

    Inclusion terms

    • Amelia NOS
  2. Q73.1
    Phocomelia, unspecified limb(s)
    BillableExempt
    Inclusion terms 1

    Inclusion terms

    • Phocomelia NOS
  3. Q73.8
    Other reduction defects of unspecified limb(s)
    BillableExempt
    Inclusion terms 4

    Inclusion terms

    • Longitudinal reduction deformity of unspecified limb(s)
    • Ectromelia of limb NOS
    • Hemimelia of limb NOS
    • Reduction defect of limb NOS

Sources of each column.

Instructions

Notes that also apply

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

Index entries

  • Amelia → Q73.0
  • Phocomelia → Q73.1
  • Ectromelia → Q73.8
  • Hemiectromelia → Q73.8
  • Hemimelia → Q73.8
  • Agenesislimb (complete) → Q73.0
  • Aplasialimb (congenital) → Q73.8
  • Deformityreduction (extremity) (limb), congenital → Q73.8
  • Hypoplasia, hypoplasticlimb → Q73.8
  • Absence (of) (organ or part) (complete or partial)extremity (acquired)congenital → Q73.0
  • Defect, defectivereductionlimb → Q73.8
  • Defect, defectivereductionlimbspecified type NEC → Q73.8

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

Hierarchy