ICD-10-CM 2027
ICD-10 code for mammogram inconclusive
From the official ICD-10-CM alphabetic index entry “Inconclusive › mammogram”. Page updated September 29, 2026.
About coding mammogram inconclusive
The ICD-10-CM code for mammogram inconclusive is R92.2 (Inconclusive mammogram).
Within R92 (abnormal and inconclusive findings on diagnostic imaging of breast), R92.2 is specifically for inconclusive mammogram. Related codes cover Mammographic microcalcification found on diagnostic imaging of breast (R92.0), Mammographic calcification found on diagnostic imaging of breast (R92.1), Mammographic density found on imaging of breast (R92.3) and other abnormal and inconclusive findings on diagnostic imaging of breast (R92.8).
It is not a CC or MCC, so as a secondary diagnosis it doesn't change the MS-DRG severity level.
In MS-DRG v44.0, it is part of the grouping logic for DRG 600 (Non-Malignant Breast Disorders with CC/MCC, relative weight 0.9975) and DRG 601 (Non-Malignant Breast Disorders without CC/MCC, relative weight 0.6017), in MDC 09 (Diseases and Disorders of the Skin, Subcutaneous Tissue and Breast), as a principal or secondary diagnosis. The DRG a claim lands in depends on the principal diagnosis, procedures and any CC/MCC secondary diagnoses.
Common questions about mammogram inconclusive ICD-10 codes
What is the ICD-10 code for mammogram inconclusive?
- R92.2 — Inconclusive mammogram.
Is R92.2 billable?
- Yes. R92.2 is a billable/specific ICD-10-CM code valid for FY2027 (October 1, 2026 – September 30, 2027).
Can R92.2 be used as a principal diagnosis?
- Yes. The Medicare Code Editor doesn't restrict R92.2 as a principal diagnosis.
Is R92.2 a CC or MCC?
- No. R92.2 is neither a CC nor an MCC under MS-DRG v44.0.