ICD-10-CM Codes
M00-M99 Diseases of the musculoskeletal system and connective tissue
M05-M1A Inflammatory polyarthropathies
M08- Juvenile arthritis

2020 ICD-10-CM Diagnosis Code M08.1

Juvenile ankylosing spondylitis

2016

2017

2018

2019

2020

Billable/Specific Code

M08.1 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
The 2020 edition of ICD-10-CM M08.1 became effective on October 1, 2019.
This is the American ICD-10-CM version of M08.1 - other international versions of ICD-10 M08.1 may differ.

Type 1 Excludes

Type 1 Excludes Help

A type 1 excludes note is a pure excludes. It means "not coded here". A type 1 excludes note indicates that the code excluded should never be used at the same time as M08.1. A type 1 excludes note is for used for when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.

ankylosing spondylitis in adults (
ICD-10-CM Diagnosis Code M45.0
Ankylosing spondylitis of multiple sites in spine
M45.0-
)

The following code(s) above M08.1 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 M08.1:

M00-M99
2020 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
M08
ICD-10-CM Diagnosis Code M08
Juvenile arthritis
Code Also
- any associated underlying condition, such as:
- regional enteritis [Crohn's disease] (K50.-)
- ulcerative colitis (K51.-)
Type 1 Excludes
- arthropathy in Whipple's disease (M14.8)
- Felty's syndrome (M05.0)
- juvenile dermatomyositis (M33.0-)
- psoriatic juvenile arthropathy (L40.54)
Juvenile arthritis

ICD-10-CM M08.1 is grouped within Diagnostic Related Group(s) (MS-DRG v37.0):

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

Convert M08.1 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

Code annotations containing back-references to M08.1:

Type 1 Excludes: M45

ICD-10-CM Diagnosis Code M45
Ankylosing spondylitis
Applicable To
- Rheumatoid arthritis of spine
Type 1 Excludes
- arthropathy in Reiter's disease (M02.3-)
- juvenile (ankylosing) spondylitis (M08.1)
Type 2 Excludes
- Behçet's disease (M35.2)

Diagnosis Index entries containing back-references to M08.1:

Spondylitis (chronic) - see also Spondylopathy, inflammatory
- ankylosing (chronic) M45.9
  ICD-10-CM Diagnosis Code M45.9
  Ankylosing spondylitis of unspecified sites in spine
  2016 2017 2018 2019 2020 Billable/Specific Code
  - juvenile M08.1
- juvenile ankylosing M08.1 (chronic)

ICD-10-CM Codes Adjacent To M08.1

M08.06 Unspecified juvenile rheumatoid arthritis, knee

M08.061 Unspecified juvenile rheumatoid arthritis, right knee

M08.062 Unspecified juvenile rheumatoid arthritis, left knee

M08.069 Unspecified juvenile rheumatoid arthritis, unspecified knee

M08.07 Unspecified juvenile rheumatoid arthritis, ankle and foot

M08.071 Unspecified juvenile rheumatoid arthritis, right ankle and foot

M08.072 Unspecified juvenile rheumatoid arthritis, left ankle and foot

M08.079 Unspecified juvenile rheumatoid arthritis, unspecified ankle and foot

M08.08 …… vertebrae

M08.09 …… multiple sites

M08.1 Juvenile ankylosing spondylitis

M08.2 Juvenile rheumatoid arthritis with systemic onset

M08.20 …… unspecified site

M08.21 Juvenile rheumatoid arthritis with systemic onset, shoulder

M08.211 Juvenile rheumatoid arthritis with systemic onset, right shoulder

M08.212 Juvenile rheumatoid arthritis with systemic onset, left shoulder

M08.219 Juvenile rheumatoid arthritis with systemic onset, unspecified shoulder

M08.22 Juvenile rheumatoid arthritis with systemic onset, elbow

M08.221 Juvenile rheumatoid arthritis with systemic onset, right elbow

M08.222 Juvenile rheumatoid arthritis with systemic onset, left elbow

M08.229 Juvenile rheumatoid arthritis with systemic onset, unspecified elbow

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

2020 ICD-10-CM Diagnosis Code M08.1

Juvenile ankylosing spondylitis

Ankylosing spondylitis of multiple sites in spine

Diseases of the musculoskeletal system and connective tissue

Juvenile arthritis

Ankylosing spondylitis

Ankylosing spondylitis of unspecified sites in spine