DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

Q70 Syndactyly

  • Header · not billable

Q70 is not billable. The category heads 18 billable codes in FY2027, grouped under 6 subdivisions.

Index → code

  • Polysyndactyly → Q70.4
  • Dactylosymphysis → Q70.9
  • Syndactylism, syndactyly → Q70.9

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. Q70 Syndactyly
Billable codes
18
Subdivisions
6
CC / MCC codes
0 / 0
HCC V28 codes
0
New FY2027
0
Index entries
12

Codes in Q70

  1. Q70.0
    Fused fingers
    Header
    Inclusion terms 1

    Inclusion terms

    • Complex syndactyly of fingers with synostosis
  2. Q70.00
    Fused fingers, unspecified hand
    BillableExempt
  3. Q70.01
    Fused fingers, right hand
    BillableExempt
  4. Q70.02
    Fused fingers, left hand
    BillableExempt
  5. Q70.03
    Fused fingers, bilateral
    BillableExempt
  6. Q70.1
    Webbed fingers
    Header
    Inclusion terms 1

    Inclusion terms

    • Simple syndactyly of fingers without synostosis
  7. Q70.10
    Webbed fingers, unspecified hand
    BillableExempt
  8. Q70.11
    Webbed fingers, right hand
    BillableExempt
  9. Q70.12
    Webbed fingers, left hand
    BillableExempt
  10. Q70.13
    Webbed fingers, bilateral
    BillableExempt
  11. Q70.2
    Fused toes
    Header
    Inclusion terms 1

    Inclusion terms

    • Complex syndactyly of toes with synostosis
  12. Q70.20
    Fused toes, unspecified foot
    BillableExempt
  13. Q70.21
    Fused toes, right foot
    BillableExempt
  14. Q70.22
    Fused toes, left foot
    BillableExempt
  15. Q70.23
    Fused toes, bilateral
    BillableExempt
  16. Q70.3
    Webbed toes
    Header
    Inclusion terms 1

    Inclusion terms

    • Simple syndactyly of toes without synostosis
  17. Q70.30
    Webbed toes, unspecified foot
    BillableExempt
  18. Q70.31
    Webbed toes, right foot
    BillableExempt
  19. Q70.32
    Webbed toes, left foot
    BillableExempt
  20. Q70.33
    Webbed toes, bilateral
    BillableExempt
  21. Q70.4
    Polysyndactyly, unspecified
    BillableExempt
    Excludes1 1

    Excludes1

    • specified syndactyly of hand and feet - code to specified conditions (Q70.0- -Q70.3-) Q70.0 Q70.3
  22. Q70.9
    Syndactyly, unspecified
    BillableExempt
    Inclusion terms 1

    Inclusion terms

    • Symphalangy 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

  • Polysyndactyly → Q70.4
  • Dactylosymphysis → Q70.9
  • Symphalangy (fingers) (toes) → Q70.9
  • Syndactylism, syndactyly → Q70.9
  • Fusion, fused (congenital)fingers → Q70.0-
  • Web, webbed (congenital)fingers → Q70.1-
  • Fusion, fused (congenital)toes → Q70.2-
  • Web, webbed (congenital)toes → Q70.3-
  • Syndactylism, syndactylycomplex (with synostosis)fingers → Q70.0-
  • Syndactylism, syndactylysimple (without synostosis)fingers → Q70.1-
  • Syndactylism, syndactylycomplex (with synostosis)toes → Q70.2-
  • Syndactylism, syndactylysimple (without synostosis)toes → Q70.3-

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

Hierarchy