Q75.042 — Lambdoid craniosynostosis, bilateral
Is Q75.042 billable?
Yes — Q75.042 is billable for FY2027. Q75.042 is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. Q75.042 may be submitted for encounters from October 1, 2026 through September 30, 2027.
Q75.042 at a glance
| Code | Q75.042 |
|---|---|
| Description | Lambdoid craniosynostosis, bilateral |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Which MS-DRGs does Q75.042 group to?
Q75.042 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 Q75.042 listed in the Alphabetic Index?
These are the routes through the Alphabetic Index that lead to Q75.042. They show the wording a clinician may have documented, which often differs from the Tabular description.
- Craniosynostosis › lambdoid › bilateral
Excludes1 — never code together — inherited from Q75
The conditions below can never be reported together with Q75.042 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
- congenital malformation of face NOS (Q18.-)
- congenital malformation syndromes classified to Q87.-
- dentofacial anomalies [including malocclusion] (M26.-)
- musculoskeletal deformities of head and face (Q67.0-Q67.4)
- skull defects associated with congenital anomalies of brain such as:
- anencephaly (Q00.0)
- encephalocele (Q01.-)
- hydrocephalus (Q03.-)
- microcephaly (Q02)
Excludes1 — never code together — inherited from Q75.04
The conditions below can never be reported together with Q75.042 on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
- dolichocephaly (Q67.2)
Excludes2 — not included here — inherited from Chapter 17
The conditions below are not part of Q75.042, but a patient may have both at the same time. When documentation supports it, Q75.042 and the excluded code may both be reported.
- inborn errors of metabolism (E70-E88)
How long has Q75.042 existed?
Q75.042 first appears in FY2024.
Derived from the official order files for FY2016–FY2026. FY2017 and FY2020 publish no order file, so those years are not covered.