M99.09 — Segmental and somatic dysfunction of abdomen and other regions
Is M99.09 billable?
Yes — M99.09 is billable for FY2027. M99.09 is a valid, billable ICD-10-CM code at the highest level of specificity in its branch. M99.09 may be submitted for encounters from October 1, 2026 through September 30, 2027.
M99.09 at a glance
| Code | M99.09 |
|---|---|
| Description | Segmental and somatic dysfunction of abdomen and other regions |
| Billable | Yes |
| Code set | ICD-10-CM FY2027 |
| Valid for encounters | October 1, 2026 – September 30, 2027 |
Which MS-DRGs does M99.09 group to?
M99.09 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.
- 555Signs and Symptoms of Musculoskeletal System and Connective Tissue with MCCmedical
- 556Signs and Symptoms of Musculoskeletal System and Connective Tissue without MCCmedical
How is M99.09 listed in the Alphabetic Index?
These are the routes through the Alphabetic Index that lead to M99.09. They show the wording a clinician may have documented, which often differs from the Tabular description.
- Dysfunction › somatic
- Dysfunction › somatic › abdomen
- Dysfunction › somatic › specified NEC
Excludes2 — not included here — inherited from Chapter 13
The conditions below are not part of M99.09, but a patient may have both at the same time. When documentation supports it, M99.09 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 M99.09 existed?
M99.09 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.
What other codes are in the M99.0 family? (9)
- M99.00Segmental and somatic dysfunction of head region
- M99.01Segmental and somatic dysfunction of cervical region
- M99.02Segmental and somatic dysfunction of thoracic region
- M99.03Segmental and somatic dysfunction of lumbar region
- M99.04Segmental and somatic dysfunction of sacral region
- M99.05Segmental and somatic dysfunction of pelvic region
- M99.06Segmental and somatic dysfunction of lower extremity
- M99.07Segmental and somatic dysfunction of upper extremity
- M99.08Segmental and somatic dysfunction of rib cage