M13.1 - Monoarthritis, not elsewhere classified
- Applicable to Monoarthritis, not elsewhere classified
- The 2025 edition of ICD10-CM M13.1 became effective on October 1, 2024.
- This is the American ICD10-CM version of M13.1 - other international versions of ICD10 M13.1 may differ.
- M13.1 is a Non-Billable / Non-Specific ICD10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
- M13.1 Code should not be used for billing or reimbursement purposes as there are multiple ICD-10 CM codes below it that contain a greater level of detail.
- M13.1 - Monoarthritis, not elsewhere classified
- M13.1 - Monoarthritis, not elsewhere classified
- M13.10 - Monoarthritis, not elsewhere classified, unspecified site
- M13.11 - Monoarthritis, not elsewhere classified, shoulder
- M13.111 - Monoarthritis, not elsewhere classified, right shoulder
- M13.112 - Monoarthritis, not elsewhere classified, left shoulder
- M13.119 - Monoarthritis, not elsewhere classified, unspecified shoulder
- M13.12 - Monoarthritis, not elsewhere classified, elbow
- M13.121 - Monoarthritis, not elsewhere classified, right elbow
- M13.122 - Monoarthritis, not elsewhere classified, left elbow
- M13.129 - Monoarthritis, not elsewhere classified, unspecified elbow
- M13.13 - Monoarthritis, not elsewhere classified, wrist
- M13.131 - Monoarthritis, not elsewhere classified, right wrist
- M13.132 - Monoarthritis, not elsewhere classified, left wrist
- M13.139 - Monoarthritis, not elsewhere classified, unspecified wrist
- M13.14 - Monoarthritis, not elsewhere classified, hand
- M13.141 - Monoarthritis, not elsewhere classified, right hand
- M13.142 - Monoarthritis, not elsewhere classified, left hand
- M13.149 - Monoarthritis, not elsewhere classified, unspecified hand
- M13.15 - Monoarthritis, not elsewhere classified, hip
- M13.151 - Monoarthritis, not elsewhere classified, right hip
- M13.152 - Monoarthritis, not elsewhere classified, left hip
- M13.159 - Monoarthritis, not elsewhere classified, unspecified hip
- M13.16 - Monoarthritis, not elsewhere classified, knee
- M13.161 - Monoarthritis, not elsewhere classified, right knee
- M13.162 - Monoarthritis, not elsewhere classified, left knee
- M13.169 - Monoarthritis, not elsewhere classified, unspecified knee
- M13.17 - Monoarthritis, not elsewhere classified, ankle and foot
- M13.171 - Monoarthritis, not elsewhere classified, right ankle and foot
- M13.172 - Monoarthritis, not elsewhere classified, left ankle and foot
- M13.179 - Monoarthritis, not elsewhere classified, unspecified ankle and foot
The following codes above M13.1 contain annotation back-references that may be applicable to M13.1:
Chapter: M00-M99 Diseases of the musculoskeletal system and connective tissue
Section: M05-M14 Inflammatory polyarthropathies
Category: M13 Other arthritis
Non-Billable/Non-Specific Code
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Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.
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