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Home/Diagnosis/ICD-10 Coding for Cancer Antigen 125

ICD-10 Coding for Cancer Antigen 125

R97.1
C56.9

Complete ICD-10-CM coding and documentation guide for icd-10 coding for cancer antigen 125 includes clinical validation requirements, medical necessity guidelines, and coding policies.

Also Known as:
CA-125
Carbohydrate Antigen 125
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Key Information: ICD-10 Coding for Cancer Antigen 125

Essential facts and insights about ICD-10 Coding for Cancer Antigen 125

Use ICD-10 code R97.1 for elevated cancer antigen 125 [ca 125], ensuring proper documentation in clinical notes.

Primary ICD-10-CM Codes

Elevated cancer antigen 125 [CA 125]

Billable Code
R97.1
Billable

Diagnostic Criteria

clinical:
  • • Patient has elevated CA-125 with no confirmed malignancy.
coding:
  • • Do not use R97.1 as a primary code for cancer monitoring.

Applicable To

  • • Elevated CA-125 without confirmed cancer

Important Notes

  • • Ensure documentation specifies the clinical context and CA-125 levels.

Malignant neoplasm of ovary, unspecified

Billable Code
C56.9
Billable

Applicable To

  • • Ovarian cancer

Important Notes

  • • Always sequence C56.9 before R97.1 when monitoring ovarian cancer.
Ancillary Codes

Additional codes that may be used with this diagnosis

Z08

Follow-up examination after treatment for malignant neoplasm

Use alongside R97.1 for surveillance post-cancer treatment.

Frequently Asked Questions

What is the ICD-10 code for elevated CA-125?

The ICD-10 code for elevated CA-125 is R97.1, used when CA-125 levels are elevated without a confirmed malignancy.

How is CA-125 used in ovarian cancer monitoring?

In ovarian cancer monitoring, CA-125 levels help assess treatment response and detect recurrence. Use C56.9 for ovarian cancer and R97.1 for elevated CA-125.

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