ICD-10 Code for Felty's Syndrome
The ICD-10-CM code for Felty's Syndrome is M05.00 — Felty's syndrome, unspecified site. This is the code the Alphabetic Index gives for Felty's Syndrome with no further qualifier, valid for FY2027 (October 1, 2026 – September 30, 2027).
M05.00 is billable but unspecified. If the documentation names a type, site or cause, one of the more specific codes below is likely expected.
Which Felty's Syndrome code should you use?
The Alphabetic Index lists 9 codes under Felty's syndrome. Which one applies depends on the qualifier documented in the record — the type, site, cause, or associated condition. Find the qualifier below, then verify the code in the Tabular List before using it.
By type
| ankle | M05.07Not billable | Felty's syndrome, ankle and foot |
| elbow | M05.02Not billable | Felty's syndrome, elbow |
| foot joint | M05.07Not billable | Felty's syndrome, ankle and foot |
| hand joint | M05.04Not billable | Felty's syndrome, hand |
| hip | M05.05Not billable | Felty's syndrome, hip |
| knee | M05.06Not billable | Felty's syndrome, knee |
| multiple site | M05.09 | Felty's syndrome, multiple sites |
| shoulder | M05.01Not billable | Felty's syndrome, shoulder |
| wrist | M05.03Not billable | Felty's syndrome, wrist |
Index terms and codes are reproduced from the official ICD-10-CM FY2027 release. The Alphabetic Index is a finding aid — a code must always be verified in the Tabular List before it is reported. Data sources