ICDcodes.org
FY2027

Q79.8 — Other congenital malformations of musculoskeletal system

Billable

Is Q79.8 billable?

Yes — Q79.8 is billable for FY2027. Q79.8 is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. Q79.8 may be submitted for encounters from October 1, 2026 through September 30, 2027.

Q79.8 at a glance

CodeQ79.8
DescriptionOther congenital malformations of musculoskeletal system
BillableYes
Code setICD-10-CM FY2027
Valid for encountersOctober 1, 2026 – September 30, 2027

Which MS-DRGs does Q79.8 group to?

Q79.8 sits in MDC 08 and helps define the logic of 3 MS-DRGs (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.

  • 564Other Musculoskeletal System and Connective Tissue Diagnoses with MCCmedical
  • 565Other Musculoskeletal System and Connective Tissue Diagnoses with CCmedical
  • 566Other Musculoskeletal System and Connective Tissue Diagnoses without CC/MCCmedical

How is Q79.8 listed in the Alphabetic Index?

These are the routes through the Alphabetic Index that lead to Q79.8. They show the wording a clinician may have documented, which often differs from the Tabular description.

  • Acromicria, acromikria
  • Amyoplasia congenita
  • Myelo-osteo-musculodysplasia hereditaria
  • Poland syndrome
  • Thoracogastroschisis (congenital)
  • Touraine's syndrome
  • Absence › muscle (of) (organ or part) (complete or partial)
  • Absence › tendon (of) (organ or part) (complete or partial)
  • Accessory › bone NEC (congenital)
  • Accessory › muscle (congenital)
  • Accessory › tendon (congenital)
  • Agenesis › muscle

Inclusion terms

Alternative wording in documentation that is classified to Q79.8.

  • Absence of muscle
  • Absence of tendon
  • Accessory muscle
  • Amyotrophia congenita
  • Congenital constricting bands
  • Congenital shortening of tendon
  • Poland syndrome

Excludes2 — not included here — inherited from Chapter 17

The conditions below are not part of Q79.8, but a patient may have both at the same time. When documentation supports it, Q79.8 and the excluded code may both be reported.

  • inborn errors of metabolism (E70-E88)

Excludes2 — not included here — inherited from Q79

The conditions below are not part of Q79.8, but a patient may have both at the same time. When documentation supports it, Q79.8 and the excluded code may both be reported.

  • congenital (sternomastoid) torticollis (Q68.0)

How long has Q79.8 existed?

Q79.8 has been in ICD-10-CM since at least FY2016, the earliest fiscal year on record here.

Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.

Which conditions are coded to Q79.8?

What other codes are in the Q79 family? (8)