Q77.5 — Diastrophic dysplasia

Billable

Is Q77.5 billable?

Yes — Q77.5 is billable for FY2027. Q77.5 is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. Q77.5 may be submitted for encounters from October 1, 2026 through September 30, 2027.

Q77.5 at a glance

Code	Q77.5
Description	Diastrophic dysplasia
Billable	Yes
Code set	ICD-10-CM FY2027
Valid for encounters	October 1, 2026 – September 30, 2027

Which MS-DRGs does Q77.5 group to?

Q77.5 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 Q77.5 listed in the Alphabetic Index?

These are the routes through the Alphabetic Index that lead to Q77.5. They show the wording a clinician may have documented, which often differs from the Tabular description.

Dysplasia › dystrophic

Excludes1 — never code together — inherited from Q77

The conditions below can never be reported together with Q77.5 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.

mucopolysaccharidosis (E76.0-E76.3)

Excludes2 — not included here — inherited from Chapter 17

The conditions below are not part of Q77.5, but a patient may have both at the same time. When documentation supports it, Q77.5 and the excluded code may both be reported.

inborn errors of metabolism (E70-E88)

Excludes2 — not included here — inherited from Q77

The conditions below are not part of Q77.5, but a patient may have both at the same time. When documentation supports it, Q77.5 and the excluded code may both be reported.

congenital myotonic chondrodystrophy (G71.13)

How long has Q77.5 existed?

Q77.5 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.