1. ICD-10-CM Codes
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2. Q00-Q99 Congenital malformations, deformations and chromosomal abnormalities
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3. Q65-Q79 Congenital malformations and deformations of the musculoskeletal system
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4. Q79- Congenital malformations of musculoskeletal system, not elsewhere classified
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2019 ICD-10-CM Diagnosis Code Q79.8

Other congenital malformations of musculoskeletal system

2016 2017 2018 2019 Billable/Specific Code POA Exempt

• Q79.8 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
• The 2019 edition of ICD-10-CM Q79.8 became effective on October 1, 2018.
• This is the American ICD-10-CM version of Q79.8 - other international versions of ICD-10 Q79.8 may differ.

• Absence of pectoral muscle, congenital
• Amniotic band syndrome
• Amyoplasia congenita disruptive sequence
• Amyoplasia, disruptive sequence
• Congenital absence of bilateral pectoral muscles
• Congenital absence of left pectoral muscle
• Congenital absence of pectoral muscle
• Congenital absence of right pectoral muscle
• Congenital anomaly of cartilage
• Congenital cartilage deformity
• Congenital contracture of bilateral gastrocnemius
• Congenital contracture of gastrocnemius muscle
• Congenital contracture of left gastrocnemius
• Congenital contracture of left gastrocnemius muscle
• Congenital contracture of right gastrocnemius
• Congenital contracture of right gastrocnemius muscle
• Congenital deformity of soft tissue
• Contracture of gastrocnemius, congenital
• Deformity due to amniotic band
• Hereditary osteoonychodysplasia
• Nail-patella syndrome
• Nail-patella syndrome, hereditary osteoonychodysplasia
• Poland anomalad
• Poland anomaly
• Popliteal pterygium syndrome
• Schwartz jampel syndrome
• Waardenburg syndrome
• Waardenburg's syndrome

• A rare developmental disorder characterized by underdevelopment or absence of the pectoralis muscle in one side of the chest, usually associated with ipsilateral cutaneous syndactyly, and ipsilateral breast and nipple hypoplasia.
• A syndrome which is characterized by symbrachydactyly and aplasia of the sternal head of pectoralis major.

• Q79.8 is considered exempt from POA reporting.

• 564 Other musculoskeletal system and connective tissue diagnoses with mcc
• 565 Other musculoskeletal system and connective tissue diagnoses with cc
• 566 Other musculoskeletal system and connective tissue diagnoses without cc/mcc

Convert Q79.8 to ICD-9-CM

• 2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
• 2017 (effective 10/1/2016): No change
• 2018 (effective 10/1/2017): No change
• 2019 (effective 10/1/2018): No change

• Type 2 Excludes: Q83
  ICD-10-CM Diagnosis Code Q83

  Congenital malformations of breast

  2016 2017 2018 2019 Non-Billable/Non-Specific Code

  Type 2 Excludes

  • absence of pectoral muscle (Q79.8)
  • hypoplasia of breast (N64.82)
  • micromastia (N64.82)

• Absence (of) (organ or part) (complete or partial)
  • muscle (congenital) (pectoral) Q79.8
  • tendon Q79.8 (congenital)
• Accessory (congenital)
  • bone NEC Q79.8
  • muscle Q79.8
  • tendon Q79.8
• Acromicria, acromikria Q79.8
• Agenesis
  • muscle Q79.8
  • musculoskeletal system NEC Q79.8
  • tendon Q79.8
• Amyoplasia congenita Q79.8
• Amyotrophia, amyotrophy, amyotrophic G71.8
  ICD-10-CM Diagnosis Code G71.8

  Other primary disorders of muscles

  2016 2017 2018 2019 Billable/Specific Code
  • congenita Q79.8
• Band(s)
  • constricting, congenital Q79.8
• Contraction(s)
  • ligament - see also Disorder, ligament
    • congenital Q79.8
  • muscle (postinfective) (postural) M62.40
    ICD-10-CM Diagnosis Code M62.40

    Contracture of muscle, unspecified site

    2016 2017 2018 2019 Billable/Specific Code
    • congenital Q79.8
• Diastasis
  • muscle M62.00
    ICD-10-CM Diagnosis Code M62.00

    Separation of muscle (nontraumatic), unspecified site

    2016 2017 2018 2019 Billable/Specific Code
    • congenital Q79.8
• Dysplasia - see also Anomaly
  • muscle Q79.8
• Fusion, fused (congenital)
  • bone Q79.8
• Hypoplasia, hypoplastic
  • muscle Q79.8
• Krabbe's
  • syndrome, congenital muscle hypoplasia Q79.8
• Myelo-osteo-musculodysplasia hereditaria Q79.8
• Poland syndrome Q79.8
• Short, shortening, shortness
  • tendon - see also Contraction, tendon
    • congenital Q79.8
• Supernumerary (congenital)
  • bone Q79.8
  • muscle Q79.8
• Syndrome - see also Disease
  • Krabbe's congenital muscle hypoplasia Q79.8
  • Touraine's Q79.8
• Thoracogastroschisis Q79.8 (congenital)
• Touraine's syndrome Q79.8

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