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 | M05.07 | Felty's syndrome, ankle and foot | not billable |
| elbow | M05.02 | Felty's syndrome, elbow | not billable |
| foot joint | M05.07 | Felty's syndrome, ankle and foot | not billable |
| hand joint | M05.04 | Felty's syndrome, hand | not billable |
| hip | M05.05 | Felty's syndrome, hip | not billable |
| knee | M05.06 | Felty's syndrome, knee | not billable |
| multiple site | M05.09 | Felty's syndrome, multiple sites | |
| shoulder | M05.01 | Felty's syndrome, shoulder | not billable |
| wrist | M05.03 | Felty's syndrome, wrist | not billable |
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