M19.012
Billable

Primary osteoarthritis, left shoulder

Billable / Specific Code

What is Primary osteoarthritis, left shoulder?

ICD-10-CM M19.012 is the diagnosis code for Primary osteoarthritis, left shoulder. This code falls under the section "Osteoarthritis" within Chapter 13 — Diseases of the musculoskeletal system and connective tissue (M00-M99). It is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.

Coding Guidelines for M19.012

Always refer to the official ICD-10-CM Tabular List for complete coding guidelines. Ensure documentation supports the specificity of the code selected. When in doubt, consult a certified medical coder or the latest CMS guidelines.

ICD-10-CM Code Hierarchy

Understanding where M19.012 sits in the ICD-10-CM classification helps ensure proper coding:

Related Codes

Frequently Asked Questions

Is M19.012 a billable ICD-10-CM code?

Yes, M19.012 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

What does M19.012 mean?

M19.012 is the ICD-10-CM diagnosis code for "Primary osteoarthritis, left shoulder". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What is the parent code of M19.012?

The parent code of M19.012 is M19.01 ("Primary osteoarthritis, shoulder"). M19.012 provides a more specific classification within this category.

What section is M19.012 in?

M19.012 is located in Section M15-M19 — "Osteoarthritis" within Chapter 13 of the ICD-10-CM Tabular List.

When should I use M19.012?

Use M19.012 when the patients documented diagnosis matches "Primary osteoarthritis, left shoulder" and the clinical documentation supports this level of specificity. Always verify with the latest ICD-10-CM guidelines and payer requirements.

People Also Ask

What is the ICD-10 code for Primary osteoarthritis, left shoulder?

The ICD-10-CM code for Primary osteoarthritis, left shoulder is M19.012.

Can M19.012 be used for primary diagnosis?

Yes, M19.012 can be used as a primary diagnosis code since it is billable and specific.

What chapter is M19.012 in?

M19.012 is in Chapter 13 of the ICD-10-CM Tabular List.

Is M19.012 valid for 2026?

Yes, M19.012 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousM19.011Primary osteoarthritis, right shoulderNext →M19.019Primary osteoarthritis, unspecified shoulder
Code Details
M19.012
Primary osteoarthritis, left shoulder
Billable / Specific Code
13 — Diseases of the musculoskeletal system and connective tissue (M00-M99)
M15-M19 — Osteoarthritis
2026 ICD-10-CM