Sufficient information about the claimant’s PRW is required to evaluate ability to
do PRW as the claimant did the job if the claimant has an RFC that reflects a significantly
eroded unskilled occupational base. For example, if a claimant has an RFC for sedentary
work with additional restrictions that significantly erode the claimant’s ability
to perform work at this level, there must be sufficient information about all the
claimant’s PRW to rule it out at step 4 of sequential evaluation.
Because it will not be possible to find a DOT counterpart within the claimant’s RFC,
it is not necessary to evaluate ability to do work as it is generally performed in
the national economy if the claimant has an RFC for:
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Inability to sustain a 40-hour workweek. See Sustainability and the Residual Functional
Capacity (RFC) Assessment DI 24510.057,
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Inability to meet the basic demands of unskilled work. See Mental Limitations DI 25020.010A3, or
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A significantly eroded range of sedentary work. See Determining Capacity to Do Other
Work—Implications of a Residual Functional Capacity for Less than a Full Range of
Sedentary Work SSR 96-9p DI 25015.020.