www.cms.gov: Readability — week 2026-W38
What these mean
- Words per page
- Main-content word count.
- Reading ease (Flesch)
- 0–100; higher is easier. ~60+ is plain language; below ~30 is very hard.
- Grade level (Flesch-Kincaid)
- US school grade needed to read it; aim for ~8 or lower for the public.
- Scored
- A reading grade is only meaningful on running prose, so we score a page only when it has enough of it. Pages that are mostly links or cards (too little text) or mostly tables and data (not prose) are left unscored — a grade there would be misleading, no matter how many words they contain.
Per-page readability
Unexplained acronyms
ICD— 676 page(s)API— 607 page(s)ID— 575 page(s)PDF— 523 page(s)CM— 470 page(s)CPT— 448 page(s)UB— 435 page(s)CMS— 366 page(s)LLC— 308 page(s)XVIII— 308 page(s)PCS— 283 page(s)HCPCS— 274 page(s)NOT— 254 page(s)CR— 249 page(s)DO— 215 page(s)
Possible misspellings
LCDs— 369 page(s)NCDs— 259 page(s)www— 250 page(s)Noridian— 247 page(s)https— 206 page(s)cms— 171 page(s)Transmittals— 123 page(s)MolDX— 121 page(s)Wellpoint— 120 page(s)NCAs— 116 page(s)CALs— 115 page(s)ama— 112 page(s)TAs— 105 page(s)cpt— 99 page(s)cptOpens— 98 page(s)MCDs— 97 page(s)procurements— 96 page(s)merchantability— 93 page(s)navbar— 93 page(s)pre— 85 page(s)NCDsN— 85 page(s)Ctrl— 83 page(s)Percutaneous— 81 page(s)hhs— 80 page(s)Immunotherapy— 78 page(s)