M00
Non-Billable

Pyogenic arthritis

Non-Billable / Non-Specific Code

What is Pyogenic arthritis?

ICD-10-CM M00 is the diagnosis code for Pyogenic arthritis. This code falls under the section "Infectious arthropathies" within Chapter 13 — Diseases of the musculoskeletal system and connective tissue (M00-M99). It is a non-billable/non-specific ICD-10-CM code that should not be used for reimbursement. A more specific sub-code is required for billing. Medical coders and healthcare providers use this code to document and classify diagnoses in electronic health records, insurance claims, and clinical databases.

â„šī¸ Excludes2

Coding Guidelines for M00

â„šī¸ Type 2 Excludes (Code separately if applicable)

The following conditions are not included in M00. If the patient has both, code each condition separately:

  • infection and inflammatory reaction due to internal joint prosthesis (T84.5-)

ICD-10-CM Code Hierarchy

Understanding where M00 sits in the ICD-10-CM classification helps ensure proper coding:

Sub-Codes 5 entries
M00.0Staphylococcal arthritis and polyarthritisNon-BillableM00.00Staphylococcal arthritis, unspecified jointBillableM00.01Staphylococcal arthritis, shoulderNon-BillableM00.011Staphylococcal arthritis, right shoulderBillableM00.012Staphylococcal arthritis, left shoulderBillableM00.019Staphylococcal arthritis, unspecified shoulderBillableM00.02Staphylococcal arthritis, elbowNon-BillableM00.021Staphylococcal arthritis, right elbowBillableM00.022Staphylococcal arthritis, left elbowBillableM00.029Staphylococcal arthritis, unspecified elbowBillableM00.03Staphylococcal arthritis, wristNon-BillableM00.031Staphylococcal arthritis, right wristBillableM00.032Staphylococcal arthritis, left wristBillableM00.039Staphylococcal arthritis, unspecified wristBillableM00.04Staphylococcal arthritis, handNon-BillableM00.041Staphylococcal arthritis, right handBillableM00.042Staphylococcal arthritis, left handBillableM00.049Staphylococcal arthritis, unspecified handBillableM00.05Staphylococcal arthritis, hipNon-BillableM00.051Staphylococcal arthritis, right hipBillableM00.052Staphylococcal arthritis, left hipBillableM00.059Staphylococcal arthritis, unspecified hipBillableM00.06Staphylococcal arthritis, kneeNon-BillableM00.061Staphylococcal arthritis, right kneeBillableM00.062Staphylococcal arthritis, left kneeBillableM00.069Staphylococcal arthritis, unspecified kneeBillableM00.07Staphylococcal arthritis, ankle and footNon-BillableM00.071Staphylococcal arthritis, right ankle and footBillableM00.072Staphylococcal arthritis, left ankle and footBillableM00.079Staphylococcal arthritis, unspecified ankle and footBillableM00.08Staphylococcal arthritis, vertebraeBillableM00.09Staphylococcal polyarthritisBillableM00.1Pneumococcal arthritis and polyarthritisNon-BillableM00.10Pneumococcal arthritis, unspecified jointBillableM00.11Pneumococcal arthritis, shoulderNon-BillableM00.111Pneumococcal arthritis, right shoulderBillableM00.112Pneumococcal arthritis, left shoulderBillableM00.119Pneumococcal arthritis, unspecified shoulderBillableM00.12Pneumococcal arthritis, elbowNon-BillableM00.121Pneumococcal arthritis, right elbowBillableM00.122Pneumococcal arthritis, left elbowBillableM00.129Pneumococcal arthritis, unspecified elbowBillableM00.13Pneumococcal arthritis, wristNon-BillableM00.131Pneumococcal arthritis, right wristBillableM00.132Pneumococcal arthritis, left wristBillableM00.139Pneumococcal arthritis, unspecified wristBillableM00.14Pneumococcal arthritis, handNon-BillableM00.141Pneumococcal arthritis, right handBillableM00.142Pneumococcal arthritis, left handBillableM00.149Pneumococcal arthritis, unspecified handBillableM00.15Pneumococcal arthritis, hipNon-BillableM00.151Pneumococcal arthritis, right hipBillableM00.152Pneumococcal arthritis, left hipBillableM00.159Pneumococcal arthritis, unspecified hipBillableM00.16Pneumococcal arthritis, kneeNon-BillableM00.161Pneumococcal arthritis, right kneeBillableM00.162Pneumococcal arthritis, left kneeBillableM00.169Pneumococcal arthritis, unspecified kneeBillableM00.17Pneumococcal arthritis, ankle and footNon-BillableM00.171Pneumococcal arthritis, right ankle and footBillableM00.172Pneumococcal arthritis, left ankle and footBillableM00.179Pneumococcal arthritis, unspecified ankle and footBillableM00.18Pneumococcal arthritis, vertebraeBillableM00.19Pneumococcal polyarthritisBillableM00.2Other streptococcal arthritis and polyarthritisNon-BillableM00.20Other streptococcal arthritis, unspecified jointBillableM00.21Other streptococcal arthritis, shoulderNon-BillableM00.211Other streptococcal arthritis, right shoulderBillableM00.212Other streptococcal arthritis, left shoulderBillableM00.219Other streptococcal arthritis, unspecified shoulderBillableM00.22Other streptococcal arthritis, elbowNon-BillableM00.221Other streptococcal arthritis, right elbowBillableM00.222Other streptococcal arthritis, left elbowBillableM00.229Other streptococcal arthritis, unspecified elbowBillableM00.23Other streptococcal arthritis, wristNon-BillableM00.231Other streptococcal arthritis, right wristBillableM00.232Other streptococcal arthritis, left wristBillableM00.239Other streptococcal arthritis, unspecified wristBillableM00.24Other streptococcal arthritis, handNon-BillableM00.241Other streptococcal arthritis, right handBillableM00.242Other streptococcal arthritis, left handBillableM00.249Other streptococcal arthritis, unspecified handBillableM00.25Other streptococcal arthritis, hipNon-BillableM00.251Other streptococcal arthritis, right hipBillableM00.252Other streptococcal arthritis, left hipBillableM00.259Other streptococcal arthritis, unspecified hipBillableM00.26Other streptococcal arthritis, kneeNon-BillableM00.261Other streptococcal arthritis, right kneeBillableM00.262Other streptococcal arthritis, left kneeBillableM00.269Other streptococcal arthritis, unspecified kneeBillableM00.27Other streptococcal arthritis, ankle and footNon-BillableM00.271Other streptococcal arthritis, right ankle and footBillableM00.272Other streptococcal arthritis, left ankle and footBillableM00.279Other streptococcal arthritis, unspecified ankle and footBillableM00.28Other streptococcal arthritis, vertebraeBillableM00.29Other streptococcal polyarthritisBillableM00.8Arthritis and polyarthritis due to other bacteriaNon-BillableM00.80Arthritis due to other bacteria, unspecified jointBillableM00.81Arthritis due to other bacteria, shoulderNon-BillableM00.811Arthritis due to other bacteria, right shoulderBillableM00.812Arthritis due to other bacteria, left shoulderBillableM00.819Arthritis due to other bacteria, unspecified shoulderBillableM00.82Arthritis due to other bacteria, elbowNon-BillableM00.821Arthritis due to other bacteria, right elbowBillableM00.822Arthritis due to other bacteria, left elbowBillableM00.829Arthritis due to other bacteria, unspecified elbowBillableM00.83Arthritis due to other bacteria, wristNon-BillableM00.831Arthritis due to other bacteria, right wristBillableM00.832Arthritis due to other bacteria, left wristBillableM00.839Arthritis due to other bacteria, unspecified wristBillableM00.84Arthritis due to other bacteria, handNon-BillableM00.841Arthritis due to other bacteria, right handBillableM00.842Arthritis due to other bacteria, left handBillableM00.849Arthritis due to other bacteria, unspecified handBillableM00.85Arthritis due to other bacteria, hipNon-BillableM00.851Arthritis due to other bacteria, right hipBillableM00.852Arthritis due to other bacteria, left hipBillableM00.859Arthritis due to other bacteria, unspecified hipBillableM00.86Arthritis due to other bacteria, kneeNon-BillableM00.861Arthritis due to other bacteria, right kneeBillableM00.862Arthritis due to other bacteria, left kneeBillableM00.869Arthritis due to other bacteria, unspecified kneeBillableM00.87Arthritis due to other bacteria, ankle and footNon-BillableM00.871Arthritis due to other bacteria, right ankle and footBillableM00.872Arthritis due to other bacteria, left ankle and footBillableM00.879Arthritis due to other bacteria, unspecified ankle and footBillableM00.88Arthritis due to other bacteria, vertebraeBillableM00.89Polyarthritis due to other bacteriaBillableM00.9Pyogenic arthritis, unspecifiedBillable
Related Codes

Frequently Asked Questions

Is M00 a billable ICD-10-CM code?

No, M00 is a non-billable/non-specific code. You should use a more specific sub-code for billing and reimbursement.

What does M00 mean?

M00 is the ICD-10-CM diagnosis code for "Pyogenic arthritis". It is used by healthcare providers to classify and document this condition in medical records and insurance claims.

What section is M00 in?

M00 is located in Section M00-M02 — "Infectious arthropathies" within Chapter 13 of the ICD-10-CM Tabular List.

What are the sub-codes of M00?

M00 has 5 sub-code(s) that provide more specific detail: M00.0, M00.1, M00.2, M00.8, M00.9.

When should I use M00?

Use M00 when the patients documented diagnosis matches "Pyogenic arthritis" 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 Pyogenic arthritis?

The ICD-10-CM code for Pyogenic arthritis is M00.

Can M00 be used for primary diagnosis?

No, M00 is non-billable. Use a more specific sub-code for primary diagnosis billing.

What chapter is M00 in?

M00 is in Chapter 13 of the ICD-10-CM Tabular List.

Is M00 valid for 2026?

Yes, M00 is a valid ICD-10-CM code for the 2026 fiscal year, subject to official CMS updates.

See Also

← PreviousL99Other disorders of skin and subcutaneous tissue in diseases classified elsewhereNext →M00.0Staphylococcal arthritis and polyarthritis
Code Details
M00
Pyogenic arthritis
Non-Billable / Non-Specific Code
13 — Diseases of the musculoskeletal system and connective tissue (M00-M99)
M00-M02 — Infectious arthropathies
2026 ICD-10-CM