ICD-10-CM Codes
M00-M99 Diseases of the musculoskeletal system and connective tissue
M05-M1A Inflammatory polyarthropathies
M05- Rheumatoid arthritis with rheumatoid factor
2021 ICD-10-CM Diagnosis Code M05.49

2021 ICD-10-CM Diagnosis Code M05.49

Rheumatoid myopathy with rheumatoid arthritis of multiple sites

2016

2017

2018

2019

2020

2021

Billable/Specific Code

M05.49 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
Short description: Rheumatoid myopathy w rheumatoid arthritis of multiple sites
The 2021 edition of ICD-10-CM M05.49 became effective on October 1, 2020.
This is the American ICD-10-CM version of M05.49 - other international versions of ICD-10 M05.49 may differ.

The following code(s) above M05.49 contain annotation back-references

Annotation Back-References

In this context, annotation back-references refer to codes that contain:

Applicable To annotations, or
Code Also annotations, or
Code First annotations, or
Excludes1 annotations, or
Excludes2 annotations, or
Includes annotations, or
Note annotations, or
Use Additional annotations

that may be applicable to M05.49:

M00-M99
2021 ICD-10-CM Range M00-M99
Diseases of the musculoskeletal system and connective tissue
Note
- Use an external cause code following the code for the musculoskeletal condition, if applicable, to identify the cause of the musculoskeletal condition
Type 2 Excludes
- 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)
Diseases of the musculoskeletal system and connective tissue
M05
ICD-10-CM Diagnosis Code M05
Rheumatoid arthritis with rheumatoid factor
Type 1 Excludes
- rheumatic fever (I00)
- juvenile rheumatoid arthritis (M08.-)
- rheumatoid arthritis of spine (M45.-)
Rheumatoid arthritis with rheumatoid factor

ICD-10-CM M05.49 is grouped within Diagnostic Related Group(s) (MS-DRG v38.0):

545 Connective tissue disorders with mcc
546 Connective tissue disorders with cc
547 Connective tissue disorders without cc/mcc

Convert M05.49 to ICD-9-CM

Code History

2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
2017 (effective 10/1/2016): No change
2018 (effective 10/1/2017): No change
2019 (effective 10/1/2018): No change
2020 (effective 10/1/2019): No change
2021 (effective 10/1/2020): No change

Diagnosis Index entries containing back-references to M05.49:

Rheumatoid - see also condition
- myopathy M05.40
  ICD-10-CM Diagnosis Code M05.40
  Rheumatoid myopathy with rheumatoid arthritis of unspecified site
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  - multiple site M05.49

ICD-10-CM Codes Adjacent To M05.49

M05.452 Rheumatoid myopathy with rheumatoid arthritis of left hip

M05.459 Rheumatoid myopathy with rheumatoid arthritis of unspecified hip

M05.46 Rheumatoid myopathy with rheumatoid arthritis of knee

M05.461 Rheumatoid myopathy with rheumatoid arthritis of right knee

M05.462 Rheumatoid myopathy with rheumatoid arthritis of left knee

M05.469 Rheumatoid myopathy with rheumatoid arthritis of unspecified knee

M05.47 Rheumatoid myopathy with rheumatoid arthritis of ankle and foot

M05.471 Rheumatoid myopathy with rheumatoid arthritis of right ankle and foot

M05.472 Rheumatoid myopathy with rheumatoid arthritis of left ankle and foot

M05.479 Rheumatoid myopathy with rheumatoid arthritis of unspecified ankle and foot

M05.49 …… of multiple sites

M05.5 Rheumatoid polyneuropathy with rheumatoid arthritis

M05.50 …… of unspecified site

M05.51 Rheumatoid polyneuropathy with rheumatoid arthritis of shoulder

M05.511 Rheumatoid polyneuropathy with rheumatoid arthritis of right shoulder

M05.512 Rheumatoid polyneuropathy with rheumatoid arthritis of left shoulder

M05.519 Rheumatoid polyneuropathy with rheumatoid arthritis of unspecified shoulder

M05.52 Rheumatoid polyneuropathy with rheumatoid arthritis of elbow

M05.521 Rheumatoid polyneuropathy with rheumatoid arthritis of right elbow

M05.522 Rheumatoid polyneuropathy with rheumatoid arthritis of left elbow

M05.529 Rheumatoid polyneuropathy with rheumatoid arthritis of unspecified elbow

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.

2021 ICD-10-CM Diagnosis Code M05.49

Rheumatoid myopathy with rheumatoid arthritis of multiple sites

Diseases of the musculoskeletal system and connective tissue

Rheumatoid arthritis with rheumatoid factor

Rheumatoid myopathy with rheumatoid arthritis of unspecified site