2017/18 ICD-10-CM Diagnosis Code M20

Acquired deformities of fingers and toes

Type 1 Excludes
Type 1 Excludes Help
A type 1 excludes note is a pure excludes. It means "not coded here". A type 1 excludes note indicates that the code excluded should never be used at the same time as M20. A type 1 excludes note is for used for when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.
  • acquired absence of fingers and toes (
    ICD-10-CM Diagnosis Code Z89
    • Z89 Acquired absence of limb
      • Z89.0 Acquired absence of thumb and other finger(s)...
        • Z89.01 Acquired absence of thumb
          • Z89.011 Acquired absence of right thumb
          • Z89.012 Acquired absence of left thumb
          • Z89.019 Acquired absence of unspecified thumb
        • Z89.02 Acquired absence of other finger(s)
          • Z89.021 Acquired absence of right finger(s)
          • Z89.022 Acquired absence of left finger(s)
          • Z89.029 Acquired absence of unspecified finger(s)
      • Z89.1 Acquired absence of hand and wrist
        • Z89.11 Acquired absence of hand
          • Z89.111 Acquired absence of right hand
          • Z89.112 Acquired absence of left hand
          • Z89.119 Acquired absence of unspecified hand
        • Z89.12 Acquired absence of wrist
          • Z89.121 Acquired absence of right wrist
          • Z89.122 Acquired absence of left wrist
          • Z89.129 Acquired absence of unspecified wrist
      • Z89.2 Acquired absence of upper limb above wrist
        • Z89.20 Acquired absence of upper limb, unspecified l...
          • Z89.201 Acquired absence of right upper limb, unspeci...
          • Z89.202 Acquired absence of left upper limb, unspecif...
          • Z89.209 Acquired absence of unspecified upper limb, u...
        • Z89.21 Acquired absence of upper limb below elbow
          • Z89.211 Acquired absence of right upper limb below el...
          • Z89.212 Acquired absence of left upper limb below elb...
          • Z89.219 Acquired absence of unspecified upper limb be...
        • Z89.22 Acquired absence of upper limb above elbow
          • Z89.221 Acquired absence of right upper limb above el...
          • Z89.222 Acquired absence of left upper limb above elb...
          • Z89.229 Acquired absence of unspecified upper limb ab...
        • Z89.23 Acquired absence of shoulder
          • Z89.231 Acquired absence of right shoulder
          • Z89.232 Acquired absence of left shoulder
          • Z89.239 Acquired absence of unspecified shoulder
      • Z89.4 Acquired absence of toe(s), foot, and ankle
        • Z89.41 Acquired absence of great toe
          • Z89.411 Acquired absence of right great toe
          • Z89.412 Acquired absence of left great toe
          • Z89.419 Acquired absence of unspecified great toe
        • Z89.42 Acquired absence of other toe(s)
          • Z89.421 Acquired absence of other right toe(s)
          • Z89.422 Acquired absence of other left toe(s)
          • Z89.429 Acquired absence of other toe(s), unspecified...
        • Z89.43 Acquired absence of foot
          • Z89.431 Acquired absence of right foot
          • Z89.432 Acquired absence of left foot
          • Z89.439 Acquired absence of unspecified foot
        • Z89.44 Acquired absence of ankle
          • Z89.441 Acquired absence of right ankle
          • Z89.442 Acquired absence of left ankle
          • Z89.449 Acquired absence of unspecified ankle
      • Z89.5 Acquired absence of leg below knee
        • Z89.51 Acquired absence of leg below knee
          • Z89.511 Acquired absence of right leg below knee
          • Z89.512 Acquired absence of left leg below knee
          • Z89.519 Acquired absence of unspecified leg below kne...
        • Z89.52 Acquired absence of knee
          • Z89.521 Acquired absence of right knee
          • Z89.522 Acquired absence of left knee
          • Z89.529 Acquired absence of unspecified knee
      • Z89.6 Acquired absence of leg above knee
        • Z89.61 Acquired absence of leg above knee
          • Z89.611 Acquired absence of right leg above knee
          • Z89.612 Acquired absence of left leg above knee
          • Z89.619 Acquired absence of unspecified leg above kne...
        • Z89.62 Acquired absence of hip
          • Z89.621 Acquired absence of right hip joint
          • Z89.622 Acquired absence of left hip joint
          • Z89.629 Acquired absence of unspecified hip joint
      • Z89.9 Acquired absence of limb, unspecified
    Z89.-
    )
  • congenital absence of fingers and toes (
    ICD-10-CM Diagnosis Code Q71.3

    Congenital absence of hand and finger

      2016 2017 2018 Non-Billable/Non-Specific Code
    Q71.3-
    ,
    ICD-10-CM Diagnosis Code Q72.3

    Congenital absence of foot and toe(s)

      2016 2017 2018 Non-Billable/Non-Specific Code
    Q72.3-
    )
  • congenital deformities and malformations of fingers and toes (
    ICD-10-CM Diagnosis Code Q66
    • Q66 Congenital deformities of feet
      • Q66.0 Congenital talipes equinovarus
      • Q66.1 Congenital talipes calcaneovarus
      • Q66.2 Congenital metatarsus (primus) varus
        • Q66.21 Congenital metatarsus primus varus
        • Q66.22 Congenital metatarsus adductus
      • Q66.3 Other congenital varus deformities of feet
      • Q66.4 Congenital talipes calcaneovalgus
      • Q66.5 Congenital pes planus
      • Q66.6 Other congenital valgus deformities of feet
      • Q66.7 Congenital pes cavus
      • Q66.8 Other congenital deformities of feet
        • Q66.80 Congenital vertical talus deformity, unspecif...
        • Q66.81 Congenital vertical talus deformity, right fo...
        • Q66.82 Congenital vertical talus deformity, left foo...
        • Q66.89 Other specified congenital deformities of fe...
      • Q66.9 Congenital deformity of feet, unspecified
    Q66.-
    ,
    ICD-10-CM Diagnosis Code Q68

    Other congenital musculoskeletal deformities

      2016 2017 2018 Non-Billable/Non-Specific Code
    Type 1 Excludes
    • reduction defects of limb(s) (Q71-Q73)
    Type 2 Excludes
    • congenital myotonic chondrodystrophy (G71.13)
    Q68
    -
    ICD-10-CM Diagnosis Code Q70

    Syndactyly

      2016 2017 2018 Non-Billable/Non-Specific Code
    Q70
    ,
    ICD-10-CM Diagnosis Code Q74
    • Q74 Other congenital malformations of limb(s)
      • Q74.0 Other congenital malformations of upper limb(...
      • Q74.1 Congenital malformation of knee
      • Q74.2 Other congenital malformations of lower limb(...
      • Q74.3 Arthrogryposis multiplex congenita
      • Q74.8 Other specified congenital malformations of l...
      • Q74.9 Unspecified congenital malformation of limb(s...
    Q74.-
    )
The following code(s) above M20 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 M20:
  • M00-M99
    2018 ICD-10-CM Range M00-M99

    Diseases of the musculoskeletal system and connective tissue

    Note
    • Use an external cause code following the code for the musculoskeletal condition, if applicable, to identify the cause of the musculoskeletal condition
    Type 2 Excludes
    • arthropathic psoriasis (L40.5-)
    • certain conditions originating in the perinatal period (P04-P96)
    • certain infectious and parasitic diseases (A00-B99)
    • compartment syndrome (traumatic) (T79.A-)
    • complications of pregnancy, childbirth and the puerperium (O00-O9A)
    • congenital malformations, deformations, and chromosomal abnormalities (Q00-Q99)
    • endocrine, nutritional and metabolic diseases (E00-E88)
    • injury, poisoning and certain other consequences of external causes (S00-T88)
    • neoplasms (C00-D49)
    • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)
    Diseases of the musculoskeletal system and connective tissue
  • M20-M25
    2018 ICD-10-CM Range M20-M25

    Other joint disorders

    Type 2 Excludes
    Other joint disorders
Code History
Code annotations containing back-references to M20:
ICD-10-CM Codes Adjacent To M20
M19.249 Secondary osteoarthritis, unspecified hand
M19.27 Secondary osteoarthritis, ankle and foot
M19.271 Secondary osteoarthritis, right ankle and foot
M19.272 Secondary osteoarthritis, left ankle and foot
M19.279 Secondary osteoarthritis, unspecified ankle and foot
M19.9 Osteoarthritis, unspecified site
M19.90 Unspecified osteoarthritis, unspecified site
M19.91 Primary osteoarthritis, unspecified site
M19.92 Post-traumatic osteoarthritis, unspecified site
M19.93 Secondary osteoarthritis, unspecified site
M20 Acquired deformities of fingers and toes
M20.0 Deformity of finger(s)
M20.00 Unspecified deformity of finger(s)
M20.001 Unspecified deformity of right finger(s)
M20.002 Unspecified deformity of left finger(s)
M20.009 Unspecified deformity of unspecified finger(s)
M20.01 Mallet finger
M20.011 …… of right finger(s)
M20.012 …… of left finger(s)
M20.019 …… of unspecified finger(s)
M20.02 Boutonnière deformity

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