Version 2024

2024 ICD-10-CM Diagnosis Code M08.9A

Juvenile arthritis, unspecified, other specified site

ICD-10-CM Code:: M08.9A
ICD-10 Code for:: Juvenile arthritis, unspecified, other specified site
Is Billable?: Yes - Valid for Submission
Chronic Condition Indicator: ^[1]: Chronic
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Code Information
Clinical Classification
Tabular List of Diseases and Injuries
Index to Diseases and Injuries References
Diagnostic Related Groups Mapping
Replacement Code
Patient Education
Other Codes Used Similar Conditions
Code History

Code Classification

Diseases of the musculoskeletal system and connective tissue
(M00–M99)
- Inflammatory polyarthropathies
  (M05-M14)
  - Juvenile arthritis
    (M08)

M08.9A is a billable diagnosis code used to specify a medical diagnosis of juvenile arthritis, unspecified, other specified site. The code is valid during the current fiscal year for the submission of HIPAA-covered transactions from October 01, 2023 through September 30, 2024.

Unspecified diagnosis codes like M08.9A are acceptable when clinical information is unknown or not available about a particular condition. Although a more specific code is preferable, unspecified codes should be used when such codes most accurately reflect what is known about a patient's condition. Specific diagnosis codes should not be used if not supported by the patient's medical record.

Clinical Classification

Clinical Category is Juvenile arthritis
CCSR Category Code: MUS004
Inpatient Default CCSR: Y - Yes, default inpatient assignment for principal diagnosis or first-listed diagnosis.
Outpatient Default CCSR: Y - Yes, default outpatient assignment for principal diagnosis or first-listed diagnosis.

Index to Diseases and Injuries References

The following annotation back-references for this diagnosis code are found in the injuries and diseases index. The Index to Diseases and Injuries is an alphabetical listing of medical terms, with each term mapped to one or more ICD-10-CM code(s).

- Arthritis, arthritic (acute) (chronic) (nonpyogenic) (subacute) - M19.90
- - juvenile - M08.90
  - - specified site NEC - M08.9A

M08.9A is grouped with Diagnostic Related Groups - MS-DRG Mapping

Diagnostic Related Groups (DRGs) are a classification system used to group together diagnosis codes for the purpose of reimbursement and healthcare management. DRGs are used to standardize the way hospitals and other providers are paid for inpatient services. In this system patients are grouped together based on their principal diagnosis in areas referred to as Major Diagnostic Categories (MDC). Once a patient is assigned a particular diagnostic category, providers receive a predetermined payment rate for the services rendered. This reimbursement rate is often fixed and is meant to cover the cost of care for that patient. Reimbursement is also affected by the relative weight of a diagnostic related group based on the severity of a patient's illness and the associated cost of care during hospitalization.

Diagnostic related groups encourage healthcare providers to focus on quality and efficiency in patient care while managing costs effectively. The diagnosis code is present in the following groups for version MS-DRG V41.0 applicable from 10/01/2023 through 09/30/2024.

MS-DRG	MS-DRG Title	MCD	Relative Weight
545	CONNECTIVE TISSUE DISORDERS WITH MCC	08	2.4932
546	CONNECTIVE TISSUE DISORDERS WITH CC	08	1.1993
547	CONNECTIVE TISSUE DISORDERS WITHOUT CC/MCC	08	0.8134

The relative weight of a diagnostic related group determines the reimbursement rate based on the severity of a patient's illness and the associated cost of care during hospitalization.

Replacement Code

M089A replaces the following previously assigned ICD-10-CM code(s):

M08.90 - Juvenile arthritis, unspecified, unspecified site

Patient Education

Juvenile Idiopathic Arthritis (JIA)

Juvenile idiopathic arthritis is a type of arthritis that affects children. It causes joint pain, swelling, warmth, stiffness, and loss of motion.
[Learn More in MedlinePlus]

Other ICD-10-CM Codes Commonly Used for Similar Conditions

Filter related codes list:

M08 Juvenile arthritis.
M08.0 Unspecified juvenile rheumatoid arthritis.
M08.00 Unspecified juvenile rheumatoid arthritis of unspecified site.
M08.01 Unspecified juvenile rheumatoid arthritis, shoulder.
M08.011 Unspecified juvenile rheumatoid arthritis, right shoulder.
M08.012 Unspecified juvenile rheumatoid arthritis, left shoulder.
M08.019 Unspecified juvenile rheumatoid arthritis, unspecified shoulder.
M08.02 Unspecified juvenile rheumatoid arthritis of elbow.
M08.021 Unspecified juvenile rheumatoid arthritis, right elbow.
M08.022 Unspecified juvenile rheumatoid arthritis, left elbow.
M08.029 Unspecified juvenile rheumatoid arthritis, unspecified elbow.
M08.03 Unspecified juvenile rheumatoid arthritis, wrist.
M08.031 Unspecified juvenile rheumatoid arthritis, right wrist.
M08.032 Unspecified juvenile rheumatoid arthritis, left wrist.
M08.039 Unspecified juvenile rheumatoid arthritis, unspecified wrist.
M08.04 Unspecified juvenile rheumatoid arthritis, hand.
M08.041 Unspecified juvenile rheumatoid arthritis, right hand.
M08.042 Unspecified juvenile rheumatoid arthritis, left hand.
M08.049 Unspecified juvenile rheumatoid arthritis, unspecified hand.
M08.05 Unspecified juvenile rheumatoid arthritis, hip.
M08.051 Unspecified juvenile rheumatoid arthritis, right hip.
M08.052 Unspecified juvenile rheumatoid arthritis, left hip.
M08.059 Unspecified juvenile rheumatoid arthritis, unspecified hip.
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 Unspecified juvenile rheumatoid arthritis, vertebrae.
M08.09 Unspecified juvenile rheumatoid arthritis, multiple sites.
M08.0A Unspecified juvenile rheumatoid arthritis, other specified site.
M08.1 Juvenile ankylosing spondylitis.
M08.2 Juvenile rheumatoid arthritis with systemic onset.
M08.20 Juvenile rheumatoid arthritis with systemic onset, 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.
M08.23 Juvenile rheumatoid arthritis with systemic onset, wrist.
M08.231 Juvenile rheumatoid arthritis with systemic onset, right wrist.
M08.232 Juvenile rheumatoid arthritis with systemic onset, left wrist.
M08.239 Juvenile rheumatoid arthritis with systemic onset, unspecified wrist.
M08.24 Juvenile rheumatoid arthritis with systemic onset, hand.
M08.241 Juvenile rheumatoid arthritis with systemic onset, right hand.

Code History

FY 2024 - No Change, effective from 10/1/2023 through 9/30/2024
FY 2023 - No Change, effective from 10/1/2022 through 9/30/2023
FY 2022 - No Change, effective from 10/1/2021 through 9/30/2022
FY 2021 - Code Added, effective from 10/1/2020 through 9/30/2021

Footnotes

[1] Chronic - a chronic condition code indicates a condition lasting 12 months or longer and its effect on the patient based on one or both of the following criteria:

The condition results in the need for ongoing intervention with medical products,treatment, services, and special equipment
The condition places limitations on self-care, independent living, and social interactions.