M84.550S — Pathological fracture in neoplastic disease, pelvis, sequela
Is M84.550S billable?
Yes — M84.550S is billable for FY2027. M84.550S is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. M84.550S may be submitted for encounters from October 1, 2026 through September 30, 2027.
M84.550S at a glance
| Code | M84.550S |
|---|---|
| Description | Pathological fracture in neoplastic disease, pelvis, sequela |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
| 7th character "S" | sequela |
What does the 7th character "S" mean in M84.550S?
In M84.550S, the 7th character S means sequela. The 7th character is required for M84.550S to be a valid, complete code.
Same condition, different episode of care — switch the 7th character:
Which MS-DRGs does M84.550S group to?
M84.550S sits in MDC 08 and helps define the logic of 2 MS-DRGs (version 44, FY2027). Which one a stay actually groups to also depends on procedures and secondary diagnoses.
- 551Medical Back Problems with MCCmedical
- 552Medical Back Problems without MCCmedical
How is M84.550S listed in the Alphabetic Index?
The Alphabetic Index lists these routes under M84.550, the nearest indexed parent of M84.550S. Use them to find the family, then select the specific code.
- Fracture, pathological › due to › neoplastic disease NEC › ilium (pathologic)
- Fracture, pathological › due to › neoplastic disease NEC › ischium (pathologic)
- Fracture, pathological › due to › neoplastic disease NEC › pelvis (pathologic)
Excludes2 — not included here — inherited from Chapter 13
The conditions below are not part of M84.550S, but a patient may have both at the same time. When documentation supports it, M84.550S 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)
Excludes2 — not included here — inherited from M84
The conditions below are not part of M84.550S, but a patient may have both at the same time. When documentation supports it, M84.550S and the excluded code may both be reported.
- traumatic fracture of bone-see fracture, by site
Code also — inherited from M84.5
Two codes may be needed to describe the condition fully. Whether M84.550S is sequenced first depends on the reason for the encounter.
- underlying neoplasm
How long has M84.550S existed?
M84.550S 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.