M48.42XA — Fatigue fracture of vertebra, cervical region, initial encounter for fracture
Is M48.42XA billable?
Yes — M48.42XA is billable for FY2027. M48.42XA is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. M48.42XA may be submitted for encounters from October 1, 2026 through September 30, 2027.
M48.42XA at a glance
| Code | M48.42XA |
|---|---|
| Description | Fatigue fracture of vertebra, cervical region, initial encounter for fracture |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
| 7th character "A" | initial encounter for fracture |
What does the 7th character "A" mean in M48.42XA?
In M48.42XA, the 7th character A means initial encounter for fracture. The 7th character is required for M48.42XA to be a valid, complete code.
Same condition, different episode of care — switch the 7th character:
Which MS-DRGs does M48.42XA group to?
M48.42XA 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.
- 542Pathological Fractures and Musculoskeletal and Connective Tissue Malignancy with MCCmedical
- 543Pathological Fractures and Musculoskeletal and Connective Tissue Malignancy with CCmedical
- 544Pathological Fractures and Musculoskeletal and Connective Tissue Malignancy without CC/MCCmedical
How is M48.42XA listed in the Alphabetic Index?
The Alphabetic Index lists these routes under M48.42, the nearest indexed parent of M48.42XA. Use them to find the family, then select the specific code.
- Fracture, traumatic › fatigue › vertebra › cervical region (abduction) (adduction) (separation)
Excludes1 — never code together — inherited from M48.4
The conditions below can never be reported together with M48.42XA on the same claim. An Excludes1 note means the two conditions cannot occur in the same patient, so reporting both is a coding error.
Excludes2 — not included here — inherited from Chapter 13
The conditions below are not part of M48.42XA, but a patient may have both at the same time. When documentation supports it, M48.42XA and the excluded code may both be reported.
- 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)
How long has M48.42XA existed?
M48.42XA 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.