California Case Summaries

Kyoko M.H. v. Bisignano — C.D. Cal. Affirms SSI Denial, Holding Step-Two and Symptom-Testimony Errors Were Harmless

Unreported / Non-Citable

Case
Kyoko M.H. v. Frank Bisignano, Commissioner of Social Security
Court
U.S. District Court — Central District of California
Date Decided
2026-01-20
Docket No.
5:25-cv-01003-JDE
Status
Unreported / Non-Citable
Topics
Social Security, SSI, step-two severity finding, harmless error, foot impairments, obesity, symptom testimony, medical opinion evidence

Background

Kyoko H. applied for Supplemental Security Income (SSI) — the federal disability program for low-income individuals. The administrative law judge (ALJ) found her severe impairments included degenerative disc disease of the cervical and lumbar spine and rheumatoid arthritis, and concluded she retained the residual functional capacity (RFC) for work despite her conditions. The ALJ denied benefits. Kyoko sought judicial review under 42 U.S.C. § 405(g), raising three issues: (1) failure to find her foot impairments (calcaneal spurs, collapsed arches, and bunions) and obesity severe at step two of the disability analysis; (2) inadequate reasons for partially rejecting her symptom testimony; and (3) improper evaluation of the medical opinion of Dr. Maximous.

The Court’s Holding

The court affirmed the denial of benefits.

On the step-two challenge, the court held that even if the ALJ erred in not finding foot impairments and obesity “severe,” any error was harmless under Hoopai v. Astrue and Burch v. Barnhart. Step two functions only as a “gatekeeping” screen designed to dispose of groundless claims; once the ALJ found other severe impairments and proceeded through the remaining steps, the absence or presence of additional severe impairments at step two becomes inconsequential — especially because the ALJ explicitly considered Kyoko’s foot-related issues and obesity at the RFC stage. The ALJ noted normal foot X-rays apart from a 4mm calcaneal spur, Kyoko’s reported four-times-weekly treadmill use, independent personal care, and completion of household chores, and concluded she had “fully considered the effects of obesity” in the RFC.

On the symptom-testimony challenge, the court applied the Ninth Circuit’s “most demanding” clear-and-convincing standard, but found the ALJ provided adequate reasons. (The opinion sets forth the standard in detail and addresses the ALJ’s specific reasoning.)

On the medical-opinion challenge, the court applied the post-2017 regulations, which require an ALJ to evaluate medical opinions for supportability and consistency without giving any source automatic deference. The ALJ’s explanation of why Dr. Maximous’s opinion was unpersuasive was supported by substantial evidence and was not “second-guessed” on review.

Together, these conclusions led the court to affirm the Commissioner’s decision and dismiss the action.

Key Takeaways

  • Step two of the disability sequential evaluation is a “gatekeeping” screen; once the ALJ finds at least one severe impairment and proceeds, failure to identify additional severe impairments is generally harmless.
  • The ALJ’s consideration of an impairment in formulating the residual functional capacity (RFC) cures any step-two omission of that impairment.
  • Daily activities like treadmill exercise, household chores, and independent personal care can support an ALJ’s decision not to add work-restrictive limitations.
  • Under post-2017 regulations, ALJs evaluate medical opinions for supportability and consistency rather than giving treating sources automatic deference.
  • The “clear and convincing” standard for symptom testimony — “the most demanding” in Social Security cases — does not require the reviewing court to be convinced; it asks whether the ALJ’s rationale has the “power to convince.”

Why It Matters

This decision reinforces the Ninth Circuit’s harmless-error doctrine at step two of the Social Security disability analysis. Plaintiffs often argue that the ALJ overlooked a particular condition, but unless that omission infects the later RFC determination, the appeal will not succeed.

For practitioners representing claimants, the case underscores the importance of focusing on the RFC analysis itself — does the ALJ’s functional capacity determination actually account for the omitted condition? — rather than relying on step-two arguments alone. For ALJs, the order shows that explicit acknowledgment of contested impairments at the RFC stage will protect the decision against step-two challenges on review.

Read the full opinion (PDF) · Court docket

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