F52: Sexual dysfunction, not caused by organic disorder or disease

F52.9: Unspecified sexual dysfunction, not caused by organic disorder or disease

Sex involves different phases that lead to mental and physical changes. First of all there is excitement, at which point the person wants sex. Then, for example, one’s blood pressure rises and breathing gets faster. The external genital organs also swell up in both the man and the woman. When the excitement reaches a certain point, there is an orgasm. After the sexual high, one feels satisfied and the body relaxes. The blood pressure falls, for example, breathing returns to normal, and one may feel tired.