M1184 HCPCS Level II code: Documentation of medical reason(s) for not prescribing or administering corticosteroid or immunosuppressant treatment (e.g., allergy, intolerance, infectious…
M1184 is the HCPCS code for “Documentation of medical reason(s) for not prescribing or administering corticosteroid or immunosuppressant treatment (e.g., allergy, intolerance, infectious etiology, pancreatic insufficiency…” in CMS’s October 2026 release, in effect from Oct 1, 2026.
Official description
M1184Documentation of medical reason(s) for not prescribing or administering corticosteroid or immunosuppressant treatment (e.g., allergy, intolerance, infectious etiology, pancreatic insufficiency, hyperthyroidism, prior bowel surgical interventions, celiac disease, receiving other medication, awaiting diagnostic workup results for alternative etiologies, other medical reasons/contraindication)
Short description: Doc med rsn no cst/ist rx
HCPCS · United States
Medicare details
The indicators CMS publishes with M1184 in its October 2026 file. They describe Medicare’s handling, not another payer’s.
- Medicare coverage
- Carrier judgment
- Medicare pricing
- Service not separately priced by Part B (e.g., services not covered, bundled, used by Part A only, etc.)
- Type of service
- Medical care
- BETOS category
- Undefined codes
- Added
- Jan 1, 2023
Where M1184 sits
- 1M codesMedical services and quality measures
- 2Active code M1184Documentation of medical reason(s) for not prescribing or administering corticosteroid or immunosuppressant treatment (e.g., allergy, intolerance, infectious etiology, pancreatic insufficiency, hyperthyroidism, prior bowel surgical interventions, celiac disease, receiving other medication, awaiting diagnostic workup results for alternative etiologies, other medical reasons/contraindication)
Source and release
- Data release
- HCPCS Level II · October 2026
- Effective date
- Oct 1, 2026
- Publisher
- CMS
This page is built from the HCPCS Level II catalog that Vero Codes reads when it suggests codes: Centers for Medicare & Medicaid Services’s October 2026 release, imported from the publisher’s file and checked against it. The description, notes and structured data come from the same record.
Frequently asked questions
What does HCPCS code M1184 mean?
M1184 is the HCPCS code for “Documentation of medical reason(s) for not prescribing or administering corticosteroid or immunosuppressant treatment (e.g., allergy, intolerance, infectious etiology, pancreatic insufficiency, hyperthyroidism, prior bowel surgical interventions, celiac disease, receiving other medication, awaiting diagnostic workup results for alternative etiologies, other medical reasons/contraindication)” in CMS’s HCPCS Level II October 2026 release.
Does Medicare cover M1184?
CMS lists M1184’s Medicare coverage as “Carrier judgment” and its pricing as “Service not separately priced by Part B (e.g., services not covered, bundled, used by Part A only, etc.)”. Coverage and payment still depend on the patient, the setting, the documentation and the payer.
Which HCPCS Level II release does this page use?
It uses CMS’s October 2026 release, in effect from Oct 1, 2026 to Dec 31, 2026. It is a reference: confirm the code against the current list and the payer’s rules before you submit it.
Codes beside M1184
All M codesM1178Documentation of medical reason(s) for not administering pneumococcal vaccine (e.g., prior anaphylaxis due to the pneumococcal vaccine)M1179Patient did not receive any pneumococcal conjugate or polysaccharide vaccine, on or after their 19th birthday and before or during measurement periodM1180Patients on immune checkpoint inhibitor therapyM1181Grade 2 or above diarrhea and/or grade 2 or above colitisM1182Patients not eligible due to pre-existing inflammatory bowel disease (ibd) (e.g., ulcerative colitis, crohn's disease)M1183Documentation of immune checkpoint inhibitor therapy held and corticosteroids or immunosuppressants prescribed or administeredM1185Documentation of immune checkpoint inhibitor therapy not held and/or corticosteroids or immunosuppressants prescribed or administered was not performed, reason not givenM1186Patients who have an order for or are receiving hospice or palliative careM1187Patients with a diagnosis of end stage renal disease (esrd)M1188Patients with a diagnosis of chronic kidney disease (ckd) stage 5M1189Documentation of a kidney health evaluation defined by an estimated glomerular filtration rate (egfr) and urine albumin-creatinine ratio (uacr) performedM1190Documentation of a kidney health evaluation was not performed or defined by an estimated glomerular filtration rate (egfr) and urine albumin-creatinine ratio (uacr)