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Home/Diagnosis/ICD-10 Coding for MSSA Infection

ICD-10 Coding for MSSA Infection

B95.61
Z22.321
A41.01

Complete ICD-10-CM coding and documentation guide for icd-10 coding for mssa infection includes clinical validation requirements, medical necessity guidelines, and coding policies.

Also Known as:
Methicillin-Susceptible Staphylococcus Aureus
Staph aureus infection
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Key Information: ICD-10 Coding for MSSA Infection

Essential facts and insights about ICD-10 Coding for MSSA Infection

Use ICD-10 code B95.61 for methicillin susceptible staphylococcus aureus as the cause of diseases classified elsewhere, ensuring proper documentation in clinical notes.

Primary ICD-10-CM Codes

Methicillin susceptible Staphylococcus aureus as the cause of diseases classified elsewhere

Billable Code
B95.61
Billable

Diagnostic Criteria

clinical:
  • • MSSA identified in culture
coding:
  • • Secondary code for MSSA-related conditions

Applicable To

  • • Bacterial osteomyelitis due to MSSA
  • • Cellulitis due to MSSA

Important Notes

  • • Always sequence after the primary condition code.

Carrier of methicillin-susceptible Staphylococcus aureus

Billable Code
Z22.321
Billable

Applicable To

  • • Asymptomatic carrier of MSSA

Important Notes

  • • Document carrier status clearly in the medical record.

Sepsis due to methicillin susceptible Staphylococcus aureus

Billable Code
A41.01
Billable

Applicable To

  • • Septicemia due to MSSA

Important Notes

  • • Ensure sepsis is documented explicitly by the physician.
Ancillary Codes

Additional codes that may be used with this diagnosis

Z22.321

Carrier of methicillin-susceptible Staphylococcus aureus

Use when documenting carrier status without active infection.

Frequently Asked Questions

What is the ICD-10 code for MSSA infection?

The ICD-10 code for MSSA infection is B95.61, used when MSSA is the causative agent of diseases classified elsewhere.

How do you code MSSA sepsis?

For MSSA sepsis, use A41.01 as the primary code and B95.61 as the secondary code to specify MSSA as the causative organism.

Can MSSA be a principal diagnosis?

No, B95.61 for MSSA cannot be used as a principal diagnosis; it must be sequenced after the primary condition code.

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