M19.019 is the authoritative medical code for Primary osteoarthritis, unspecified shoulder. This classification is used in medical billing and clinical recording to specify the clinical criteria for primary osteoarthritis, unspecified shoulder (ICD-10-CM M19.019), ensuring healthcare documentation aligns with 2026 federal coding standards.
Billing Status: YES. This is a valid, specific, and billable ICD-10-CM reference.
Official Registry Overview & Definition
Primary osteoarthritis, unspecified shoulder is a billable ICD-10-CM diagnosis code M19.019. Excludes1 (not coded here): polyarthritis M15.-. Excludes2 (not included here): arthrosis of spine M47.-; hallux rigidus M20.2; osteoarthritis of spine M47.-.
Official Tabular Instructional Notes
Sequencing, inclusion, and exclusion notes published for M19.019 in the official ICD-10-CM tabular list.
Excludes1 — Not Coded Here
Conditions that can never be reported with this code; the two are mutually exclusive.
Excludes2 — Not Included Here
Conditions not covered by this code, but which may be reported alongside it when both are present.
- arthrosis of spine M47.-
- hallux rigidus M20.2
- osteoarthritis of spine M47.-
Frequently Asked Questions (FAQ) & Clinical Guidance
What can't be coded together with M19.019?
Per Excludes1 instructions, M19.019 must not be reported with: polyarthritis (M15.-).
Can M19.019 be reported alongside related conditions?
Per Excludes2 instructions, M19.019 and the following may both be reported when both are present: arthrosis of spine (M47.-); hallux rigidus (M20.2); osteoarthritis of spine (M47.-).
Codes in This Family (40)
Official ICD-10-CM classifications in the same code family as M19.019, with their registry titles.
- M19 — Other and unspecified osteoarthritis
- M19.0 — Primary osteoarthritis of other joints
- M19.01 — Primary osteoarthritis, shoulder
- M19.011 — Primary osteoarthritis, right shoulder
- M19.012 — Primary osteoarthritis, left shoulder
- M19.02 — Primary osteoarthritis, elbow
- M19.021 — Primary osteoarthritis, right elbow
- M19.022 — Primary osteoarthritis, left elbow
- M19.029 — Primary osteoarthritis, unspecified elbow
- M19.03 — Primary osteoarthritis, wrist
- M19.031 — Primary osteoarthritis, right wrist
- M19.032 — Primary osteoarthritis, left wrist
- M19.039 — Primary osteoarthritis, unspecified wrist
- M19.04 — Primary osteoarthritis, hand
- M19.041 — Primary osteoarthritis, right hand
- M19.042 — Primary osteoarthritis, left hand
- M19.049 — Primary osteoarthritis, unspecified hand
- M19.07 — Primary osteoarthritis ankle and foot
- M19.071 — Primary osteoarthritis, right ankle and foot
- M19.072 — Primary osteoarthritis, left ankle and foot
- M19.079 — Primary osteoarthritis, unspecified ankle and foot
- M19.09 — Primary osteoarthritis, other specified site
- M19.1 — Post-traumatic osteoarthritis of other joints
- M19.11 — Post-traumatic osteoarthritis, shoulder
- M19.111 — Post-traumatic osteoarthritis, right shoulder
- M19.112 — Post-traumatic osteoarthritis, left shoulder
- M19.119 — Post-traumatic osteoarthritis, unspecified shoulder
- M19.12 — Post-traumatic osteoarthritis, elbow
- M19.121 — Post-traumatic osteoarthritis, right elbow
- M19.122 — Post-traumatic osteoarthritis, left elbow
- M19.129 — Post-traumatic osteoarthritis, unspecified elbow
- M19.13 — Post-traumatic osteoarthritis, wrist
- M19.131 — Post-traumatic osteoarthritis, right wrist
- M19.132 — Post-traumatic osteoarthritis, left wrist
- M19.139 — Post-traumatic osteoarthritis, unspecified wrist
- M19.14 — Post-traumatic osteoarthritis, hand
- M19.141 — Post-traumatic osteoarthritis, right hand
- M19.142 — Post-traumatic osteoarthritis, left hand
- M19.149 — Post-traumatic osteoarthritis, unspecified hand
- M19.17 — Post-traumatic osteoarthritis, ankle and foot
Related Codes & Numerical Sequence (Crawl Map)
Search engines and indexers are advised to traverse adjacent medical codes in this sub-chapter range to find correlated diagnoses or therapeutic procedures:
ICD Code M23.019
Cystic meniscus, anterior horn of medial meniscus, unspecified knee