Temporary G codes are assigned to services and procedures that are under review before being included in the CPT coding system. Payment for these services is under the jurisdiction of the local carriers.

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• G9389

  Unplanned rupture of the posterior capsule requiring vitrectomy during cataract surgery

• G9390

  No unplanned rupture of the posterior capsule requiring vitrectomy during cataract surgery

• G9391

  Patient achieves refraction +-1 d for the eye that underwent cataract surgery, measured at the one month follow up visit

• G9392

  Patient does not achieve refraction +-1 d for the eye that underwent cataract surgery, measured at the one month follow up visit

• G9393

  Patient with an initial phq-9 score greater than nine who achieves remission at twelve months as demonstrated by a twelve month (+/- 30 days) phq-9 score of less than five

• G9394

  Patient who had a diagnosis of bipolar disorder or personality disorder, death, permanent nursing home resident or receiving hospice or palliative care any time during the measurement or assessment period

• G9395

  Patient with an initial phq-9 score greater than nine who did not achieve remission at twelve months as demonstrated by a twelve month (+/- 30 days) phq-9 score greater than or equal to five

• G9396

  Patient with an initial phq-9 score greater than nine who was not assessed for remission at twelve months (+/- 30 days)

• G9399

  Documentation in the patient record of a discussion between the physician/clinician and the patient that includes all of the following: treatment choices appropriate to genotype, risks and benefits, evidence of effectiveness, and patient preferences toward the outcome of the treatment

• G9400

  Documentation of medical or patient reason(s) for not discussing treatment options; medical reasons: patient is not a candidate for treatment due to advanced physical or mental health comorbidity (including active substance use); currently receiving antiviral treatment; successful antiviral treatment (with sustained virologic response) prior to reporting period; other documented medical reasons; patient reasons: patient unable or unwilling to participate in the discussion or other patient reasons

• G9401

  No documentation in the patient record of a discussion between the physician or other qualified healthcare professional and the patient that includes all of the following: treatment choices appropriate to genotype, risks and benefits, evidence of effectiveness, and patient preferences toward treatment

• G9402

  Patient received follow-up within 30 days after discharge

• G9403

  Clinician documented reason patient was not able to complete 30 day follow-up from acute inpatient setting discharge (e.g., patient death prior to follow-up visit, patient non-compliant for visit follow-up)

• G9404

  Patient did not receive follow-up within 30 days after discharge

• G9405

  Patient received follow-up within 7 days after discharge

• G9406

  Clinician documented reason patient was not able to complete 7 day follow-up from acute inpatient setting discharge (i.e patient death prior to follow-up visit, patient non-compliance for visit follow-up)

• G9407

  Patient did not receive follow-up within 7 days after discharge

• G9408

  Patients with cardiac tamponade and/or pericardiocentesis occurring within 30 days

• G9409

  Patients without cardiac tamponade and/or pericardiocentesis occurring within 30 days

• G9410

  Patient admitted within 180 days, status post cied implantation, replacement, or revision with an infection requiring device removal or surgical revision

• G9411

  Patient not admitted within 180 days, status post cied implantation, replacement, or revision with an infection requiring device removal or surgical revision

• G9412

  Patient admitted within 180 days, status post cied implantation, replacement, or revision with an infection requiring device removal or surgical revision

• G9413

  Patient not admitted within 180 days, status post cied implantation, replacement, or revision with an infection requiring device removal or surgical revision

• G9414

  Patient had one dose of meningococcal vaccine (serogroups a, c, w, y or a, c, w, y, b) on or between the patient's 10th and 13th birthdays

• G9415

  Patient did not have one dose of meningococcal vaccine (serogroups a, c, w, y or a, c, w, y, b), on or between the patient's 10th and 13th birthdays

• G9416

  Patient had one tetanus, diphtheria toxoids and acellular pertussis vaccine (tdap) on or between the patient's 10th and 13th birthdays

• G9417

  Patient did not have one tetanus, diphtheria toxoids and acellular pertussis vaccine (tdap) on or between the patient's 10th and 13th birthdays

• G9418

  Primary non-small cell lung cancer lung biopsy and cytology specimen report documents classification into specific histologic type following iaslc guidance or classified as nsclc-nos with an explanation

• G9419

  Documentation of medical reason(s) for not including the histological type or nsclc-nos classification with an explanation (e.g. specimen insufficient or non-diagnostic, specimen does not contain cancer, or other documented medical reasons)

• G9420

  Specimen site other than anatomic location of lung or is not classified as primary non-small cell lung cancer

• G9421

  Primary non-small cell lung cancer lung biopsy and cytology specimen report does not document classification into specific histologic type or histologic type does not follow iaslc guidance or is classified as nsclc-nos but without an explanation

• G9422

  Primary lung carcinoma resection report documents pt category, pn category and for non-small cell lung cancer, histologic type (e.g., squamous cell carcinoma, adenocarcinoma and not nsclc-nos)

• G9423

  Documentation of medical reason for not including pt category, pn category and histologic type [for patient with appropriate exclusion criteria (e.g., metastatic disease, benign tumors, malignant tumors other than carcinomas, inadequate surgical specimens)]

• G9424

  Specimen site other than anatomic location of lung, or classified as nsclc-nos

• G9425

  Primary lung carcinoma resection report does not document pt category, pn category and for non-small cell lung cancer, histologic type (e.g., squamous cell carcinoma, adenocarcinoma)

• G9426

  Improvement in median time from ed arrival to initial ed oral or parenteral pain medication administration performed for ed admitted patients

• G9427

  Improvement in median time from ed arrival to initial ed oral or parenteral pain medication administration not performed for ed admitted patients

• G9428

  Pathology report includes the pt category, thickness, ulceration and mitotic rate, peripheral and deep margin status and presence or absence of microsatellitosis for invasive tumors

• G9429

  Documentation of medical reason(s) for not including pt category, thickness, ulceration and mitotic rate, peripheral and deep margin status and presence or absence of microsatellitosis for invasive tumors (e.g., negative skin biopsies, insufficient tissue, or other documented medical reasons)

• G9430

  Specimen site other than anatomic cutaneous location

• G9431

  Pathology report does not include the pt category, thickness, ulceration and mitotic rate, peripheral and deep margin status and presence or absence of microsatellitosis for invasive tumors

• G9432

  Asthma well-controlled based on the act, c-act, acq, or ataq score and results documented

• G9433

  Death, permanent nursing home resident or receiving hospice or palliative care any time during the measurement period

• G9434

  Asthma not well-controlled based on the act, c-act, acq, or ataq score, or specified asthma control tool not used, reason not given

• G9435

  Aspirin prescribed at discharge

• G9436

  Aspirin not prescribed for documented reasons (e.g., allergy, medical intolerance, history of bleed)

• G9437

  Aspirin not prescribed at discharge

• G9438

  P2y inhibitor prescribed at discharge

• G9439

  P2y inhibitor not prescribed for documented reasons (e.g., allergy, medical intolerance, history of bleed)

• G9440

  P2y inhibitor not prescribed at discharge

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HCPCS Level II codes and descriptors are approved and maintained jointly by the alpha-numeric editorial panel (consisting of CMS, the Health Insurance Association of America, and the Blue Cross and Blue Shield Association). — Updated 7/25/2026

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